520452164 has 12 divisors (see below), whose sum is σ = 921765264. Its totient is φ = 257090664.

The previous prime is 520452151. The next prime is 520452187. The reversal of 520452164 is 461254025.

It is an unprimeable number.

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, 783482 + ... + 784145.

It is an arithmetic number, because the mean of its divisors is an integer number (76813772).

Almost surely, 2^520452164 is an apocalyptic number.

It is an amenable number.

520452164 is a deficient number, since it is larger than the sum of its proper divisors (401313100).

520452164 is a wasteful number, since it uses less digits than its factorization.

520452164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1567714 (or 1567712 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 520452164 is about 22813.4206992288. The cubic root of 520452164 is about 804.3781646336.

The spelling of 520452164 in words is "five hundred twenty million, four hundred fifty-two thousand, one hundred sixty-four".