520655252 has 96 divisors (see below), whose sum is σ = 1076181120. Its totient is φ = 218350080.

The previous prime is 520655203. The next prime is 520655257. The reversal of 520655252 is 252556025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520655257) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3194123 + ... + 3194285.

It is an arithmetic number, because the mean of its divisors is an integer number (11210220).

Almost surely, 2^520655252 is an apocalyptic number.

520655252 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

520655252 is an abundant number, since it is smaller than the sum of its proper divisors (555525868).

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

520655252 is a wasteful number, since it uses less digits than its factorization.

520655252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313 (or 311 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 32.

The square root of 520655252 is about 22817.8713292892. The cubic root of 520655252 is about 804.4827777119.

The spelling of 520655252 in words is "five hundred twenty million, six hundred fifty-five thousand, two hundred fifty-two".