520671504 has 20 divisors (see below), whose sum is σ = 1345068176. Its totient is φ = 173557152.

The previous prime is 520671491. The next prime is 520671521. The reversal of 520671504 is 405176025.

It is a super-3 number, since 3×520671504³ (a number of 27 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5423614 + ... + 5423709.

Almost surely, 2^520671504 is an apocalyptic number.

It is an amenable number.

520671504 is an abundant number, since it is smaller than the sum of its proper divisors (824396672).

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

520671504 is a wasteful number, since it uses less digits than its factorization.

520671504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10847334 (or 10847328 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 520671504 is about 22818.2274508779. The cubic root of 520671504 is about 804.4911481374.

The spelling of 520671504 in words is "five hundred twenty million, six hundred seventy-one thousand, five hundred four".