It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 502 489 is not a prime number.
For example, 502 489 can be divided by 13: 502 489 / 13 = 38 653.
For 502 489 to be a prime number, it would have been required that 502 489 has only two divisors, i.e., itself and 1.
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502 489 is an odd number, because it is not evenly divisible by 2.
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A number is a perfect square (or a square number) if its square root is an integer; that is to say, it is the product of an integer with itself. Here, the square root of 502 489 is about 708.865.
Thus, the square root of 502 489 is not an integer, and therefore 502 489 is not a square number.
The square of a number (here 502 489) is the result of the product of this number (502 489) by itself (i.e., 502 489 × 502 489); the square of 502 489 is sometimes called "raising 502 489 to the power 2", or "502 489 squared".
The square of 502 489 is 252 495 195 121 because 502 489 × 502 489 = 502 4892 = 252 495 195 121.
As a consequence, 502 489 is the square root of 252 495 195 121.
The multiples of 502 489 are all integers evenly divisible by 502 489, that is all numbers such that the remainder of the division by 502 489 is zero. There are infinitely many multiples of 502 489. The smallest multiples of 502 489 are: