520505704 has 16 divisors (see below), whose sum is σ = 976706820. Its totient is φ = 260050560.

The previous prime is 520505651. The next prime is 520505707. The reversal of 520505704 is 407505025.

It can be written as a sum of positive squares in 2 ways, for example, as 519748804 + 756900 = 22798^2 + 870^2 .

It is not an unprimeable number, because it can be changed into a prime (520505707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14059 + ... + 35194.

Almost surely, 2^520505704 is an apocalyptic number.

It is an amenable number.

520505704 is a deficient number, since it is larger than the sum of its proper divisors (456201116).

520505704 is a wasteful number, since it uses less digits than its factorization.

520505704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50580 (or 50576 counting only the distinct ones).

The product of its (nonzero) digits is 7000, while the sum is 28.

The square root of 520505704 is about 22814.5941011450. The cubic root of 520505704 is about 804.4057463745.

The spelling of 520505704 in words is "five hundred twenty million, five hundred five thousand, seven hundred four".