It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 5 398 001 is not a prime number.
For example, 5 398 001 can be divided by 7: 5 398 001 / 7 = 771 143.
For 5 398 001 to be a prime number, it would have been required that 5 398 001 has only two divisors, i.e., itself and 1.
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5 398 001 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 5 398 001 is about 2 323.360.
Thus, the square root of 5 398 001 is not an integer, and therefore 5 398 001 is not a square number.
The square of a number (here 5 398 001) is the result of the product of this number (5 398 001) by itself (i.e., 5 398 001 × 5 398 001); the square of 5 398 001 is sometimes called "raising 5 398 001 to the power 2", or "5 398 001 squared".
The square of 5 398 001 is 29 138 414 796 001 because 5 398 001 × 5 398 001 = 5 398 0012 = 29 138 414 796 001.
As a consequence, 5 398 001 is the square root of 29 138 414 796 001.
The multiples of 5 398 001 are all integers evenly divisible by 5 398 001, that is all numbers such that the remainder of the division by 5 398 001 is zero. There are infinitely many multiples of 5 398 001. The smallest multiples of 5 398 001 are: