520350564 has 24 divisors (see below), whose sum is σ = 1229522560. Its totient is φ = 171254304.

The previous prime is 520350539. The next prime is 520350577. The reversal of 520350564 is 465053025.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 273499 + ... + 275394.

Almost surely, 2^520350564 is an apocalyptic number.

It is an amenable number.

520350564 is an abundant number, since it is smaller than the sum of its proper divisors (709171996).

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

520350564 is a wasteful number, since it uses less digits than its factorization.

520350564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548979 (or 548977 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 520350564 is about 22811.1938310997. The cubic root of 520350564 is about 804.3258190351.

The spelling of 520350564 in words is "five hundred twenty million, three hundred fifty thousand, five hundred sixty-four".