It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 520 334 is not a prime number.
For example, 520 334 can be divided by 2: 520 334 / 2 = 260 167.
For 520 334 to be a prime number, it would have been required that 520 334 has only two divisors, i.e., itself and 1.
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520 334 is an even number, because it is evenly divisible by 2: 520 334 / 2 = 260 167.
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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 520 334 is about 721.342.
Thus, the square root of 520 334 is not an integer, and therefore 520 334 is not a square number.
The square of a number (here 520 334) is the result of the product of this number (520 334) by itself (i.e., 520 334 × 520 334); the square of 520 334 is sometimes called "raising 520 334 to the power 2", or "520 334 squared".
The square of 520 334 is 270 747 471 556 because 520 334 × 520 334 = 520 3342 = 270 747 471 556.
As a consequence, 520 334 is the square root of 270 747 471 556.
The multiples of 520 334 are all integers evenly divisible by 520 334, that is all numbers such that the remainder of the division by 520 334 is zero. There are infinitely many multiples of 520 334. The smallest multiples of 520 334 are: