520287064 has 16 divisors (see below), whose sum is σ = 1064223720. Its totient is φ = 236494080.

The previous prime is 520287059. The next prime is 520287083. The reversal of 520287064 is 460782025.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2956089 + ... + 2956264.

Almost surely, 2^520287064 is an apocalyptic number.

It is an amenable number.

520287064 is an abundant number, since it is smaller than the sum of its proper divisors (543936656).

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

520287064 is a wasteful number, since it uses less digits than its factorization.

520287064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5912370 (or 5912366 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 520287064 is about 22809.8019281185. The cubic root of 520287064 is about 804.2930995758.

The spelling of 520287064 in words is "five hundred twenty million, two hundred eighty-seven thousand, sixty-four".