520464511 has 32 divisors (see below), whose sum is σ = 645120000. Its totient is φ = 409979232.

The previous prime is 520464499. The next prime is 520464521. The reversal of 520464511 is 115464025.

It is a cyclic number.

It is not a de Polignac number, because 520464511 - 2²⁵ = 486910079 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 520464511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520464521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 868590 + ... + 869188.

It is an arithmetic number, because the mean of its divisors is an integer number (20160000).

Almost surely, 2^520464511 is an apocalyptic number.

520464511 is a deficient number, since it is larger than the sum of its proper divisors (124655489).

520464511 is a wasteful number, since it uses less digits than its factorization.

520464511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 520464511 is about 22813.6913058803. The cubic root of 520464511 is about 804.3845254991.

The spelling of 520464511 in words is "five hundred twenty million, four hundred sixty-four thousand, five hundred eleven".