It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 480 216 is not a prime number.
For example, 480 216 can be divided by 2: 480 216 / 2 = 240 108.
For 480 216 to be a prime number, it would have been required that 480 216 has only two divisors, i.e., itself and 1.
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480 216 is an even number, because it is evenly divisible by 2: 480 216 / 2 = 240 108.
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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 480 216 is about 692.976.
Thus, the square root of 480 216 is not an integer, and therefore 480 216 is not a square number.
The square of a number (here 480 216) is the result of the product of this number (480 216) by itself (i.e., 480 216 × 480 216); the square of 480 216 is sometimes called "raising 480 216 to the power 2", or "480 216 squared".
The square of 480 216 is 230 607 406 656 because 480 216 × 480 216 = 480 2162 = 230 607 406 656.
As a consequence, 480 216 is the square root of 230 607 406 656.
The multiples of 480 216 are all integers evenly divisible by 480 216, that is all numbers such that the remainder of the division by 480 216 is zero. There are infinitely many multiples of 480 216. The smallest multiples of 480 216 are: