520512 has 28 divisors (see below), whose sum is σ = 1377696. Its totient is φ = 173440.

The previous prime is 520451. The next prime is 520529. The reversal of 520512 is 215025.

It is a junction number, because it is equal to n+sod(n) for n = 520491 and 520500.

It is a congruent number.

It is an unprimeable number.

520512 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1164 + ... + 1547.

2⁵²⁰⁵¹² is an apocalyptic number.

It is an amenable number.

520512 is an abundant number, since it is smaller than the sum of its proper divisors (857184).

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

520512 is a wasteful number, since it uses less digits than its factorization.

520512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2726 (or 2716 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 15.

The square root of 520512 is about 721.4651758748. The cubic root of 520512 is about 80.4408989706.

Adding to 520512 its reverse (215025), we get a palindrome (735537).

The spelling of 520512 in words is "five hundred twenty thousand, five hundred twelve".