It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 697 402 is not a prime number.
For example, 697 402 can be divided by 2: 697 402 / 2 = 348 701.
For 697 402 to be a prime number, it would have been required that 697 402 has only two divisors, i.e., itself and 1.
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697 402 is an even number, because it is evenly divisible by 2: 697 402 / 2 = 348 701.
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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 697 402 is about 835.106.
Thus, the square root of 697 402 is not an integer, and therefore 697 402 is not a square number.
The square of a number (here 697 402) is the result of the product of this number (697 402) by itself (i.e., 697 402 × 697 402); the square of 697 402 is sometimes called "raising 697 402 to the power 2", or "697 402 squared".
The square of 697 402 is 486 369 549 604 because 697 402 × 697 402 = 697 4022 = 486 369 549 604.
As a consequence, 697 402 is the square root of 486 369 549 604.
The multiples of 697 402 are all integers evenly divisible by 697 402, that is all numbers such that the remainder of the division by 697 402 is zero. There are infinitely many multiples of 697 402. The smallest multiples of 697 402 are: