520556272 has 20 divisors (see below), whose sum is σ = 1016280936. Its totient is φ = 258290240.

The previous prime is 520556227. The next prime is 520556287. The reversal of 520556272 is 272655025.

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, 122083 + ... + 126274.

Almost surely, 2^520556272 is an apocalyptic number.

It is an amenable number.

520556272 is a deficient number, since it is larger than the sum of its proper divisors (495724664).

520556272 is a wasteful number, since it uses less digits than its factorization.

520556272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248496 (or 248490 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 34.

The square root of 520556272 is about 22815.7023122235. The cubic root of 520556272 is about 804.4317953190.

The spelling of 520556272 in words is "five hundred twenty million, five hundred fifty-six thousand, two hundred seventy-two".