It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 697 498 is not a prime number.
For example, 697 498 can be divided by 2: 697 498 / 2 = 348 749.
For 697 498 to be a prime number, it would have been required that 697 498 has only two divisors, i.e., itself and 1.
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697 498 is an even number, because it is evenly divisible by 2: 697 498 / 2 = 348 749.
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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 697 498 is about 835.163.
Thus, the square root of 697 498 is not an integer, and therefore 697 498 is not a square number.
The square of a number (here 697 498) is the result of the product of this number (697 498) by itself (i.e., 697 498 × 697 498); the square of 697 498 is sometimes called "raising 697 498 to the power 2", or "697 498 squared".
The square of 697 498 is 486 503 460 004 because 697 498 × 697 498 = 697 4982 = 486 503 460 004.
As a consequence, 697 498 is the square root of 486 503 460 004.
The multiples of 697 498 are all integers evenly divisible by 697 498, that is all numbers such that the remainder of the division by 697 498 is zero. There are infinitely many multiples of 697 498. The smallest multiples of 697 498 are: