504315520 has 32 divisors (see below), whose sum is σ = 1205630820. Its totient is φ = 201725952.

The previous prime is 504315517. The next prime is 504315521. The reversal of 504315520 is 25513405.

It can be written as a sum of positive squares in 2 ways, for example, as 413227584 + 91087936 = 20328^2 + 9544^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (504315521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 393357 + ... + 394636.

Almost surely, 2^504315520 is an apocalyptic number.

It is an amenable number.

504315520 is an abundant number, since it is smaller than the sum of its proper divisors (701315300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

504315520 is an equidigital number, since it uses as much as digits as its factorization.

504315520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788012 (or 788000 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 504315520 is about 22456.9704100976. The cubic root of 504315520 is about 795.9774746789.

Adding to 504315520 its reverse (25513405), we get a palindrome (529828925).

The spelling of 504315520 in words is "five hundred four million, three hundred fifteen thousand, five hundred twenty".