It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 324 009 is not a prime number.
For example, 324 009 can be divided by 3: 324 009 / 3 = 108 003.
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For 324 009 to be a prime number, it would have been required that 324 009 has only two divisors, i.e., itself and 1.
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324 009 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 324 009 is about 569.218.
Thus, the square root of 324 009 is not an integer, and therefore 324 009 is not a square number.
The square of a number (here 324 009) is the result of the product of this number (324 009) by itself (i.e., 324 009 × 324 009); the square of 324 009 is sometimes called "raising 324 009 to the power 2", or "324 009 squared".
The square of 324 009 is 104 981 832 081 because 324 009 × 324 009 = 324 0092 = 104 981 832 081.
As a consequence, 324 009 is the square root of 104 981 832 081.
The multiples of 324 009 are all integers evenly divisible by 324 009, that is all numbers such that the remainder of the division by 324 009 is zero. There are infinitely many multiples of 324 009. The smallest multiples of 324 009 are: