325 (three hundred
ndtwenty-five) is the
natural number
In mathematics, the natural numbers are the numbers 0, 1, 2, 3, and so on, possibly excluding 0. Some start counting with 0, defining the natural numbers as the non-negative integers , while others start with 1, defining them as the positive in ...
following
324
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Year 324 ( CCCXXIV) was a leap year starting on Wednesday in the Julian calendar. At the time, it was known as the Year of the Consulship of Crispus and Constantinus (or, less frequently, year 1077 ''Ab urbe condita''). The denominati ...
and preceding
326.
In mathematics
* 325 is the smallest number to be the sum of two squares in 3 different ways: 1
2 + 18
2, 6
2 + 17
2 and 10
2 + 15
2.
* 325 is the smallest (and only known) 3-
hyperperfect number.
References
Integers
{{Num-stub