It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 500 424 is not a prime number.
For example, 500 424 can be divided by 2: 500 424 / 2 = 250 212.
For 500 424 to be a prime number, it would have been required that 500 424 has only two divisors, i.e., itself and 1.
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500 424 is an even number, because it is evenly divisible by 2: 500 424 / 2 = 250 212.
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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 500 424 is about 707.407.
Thus, the square root of 500 424 is not an integer, and therefore 500 424 is not a square number.
The square of a number (here 500 424) is the result of the product of this number (500 424) by itself (i.e., 500 424 × 500 424); the square of 500 424 is sometimes called "raising 500 424 to the power 2", or "500 424 squared".
The square of 500 424 is 250 424 179 776 because 500 424 × 500 424 = 500 4242 = 250 424 179 776.
As a consequence, 500 424 is the square root of 250 424 179 776.
The multiples of 500 424 are all integers evenly divisible by 500 424, that is all numbers such that the remainder of the division by 500 424 is zero. There are infinitely many multiples of 500 424. The smallest multiples of 500 424 are: