It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 497 998 is not a prime number.
For example, 497 998 can be divided by 2: 497 998 / 2 = 248 999.
For 497 998 to be a prime number, it would have been required that 497 998 has only two divisors, i.e., itself and 1.
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497 998 is an even number, because it is evenly divisible by 2: 497 998 / 2 = 248 999.
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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 497 998 is about 705.690.
Thus, the square root of 497 998 is not an integer, and therefore 497 998 is not a square number.
The square of a number (here 497 998) is the result of the product of this number (497 998) by itself (i.e., 497 998 × 497 998); the square of 497 998 is sometimes called "raising 497 998 to the power 2", or "497 998 squared".
The square of 497 998 is 248 002 008 004 because 497 998 × 497 998 = 497 9982 = 248 002 008 004.
As a consequence, 497 998 is the square root of 248 002 008 004.
The multiples of 497 998 are all integers evenly divisible by 497 998, that is all numbers such that the remainder of the division by 497 998 is zero. There are infinitely many multiples of 497 998. The smallest multiples of 497 998 are: