520086312 has 64 divisors (see below), whose sum is σ = 1479945600. Its totient is φ = 169130880.

The previous prime is 520086311. The next prime is 520086323. The reversal of 520086312 is 213680025.

520086312 is a `hidden beast` number, since 5 + 20 + 0 + 8 + 631 + 2 = 666.

It is a super-2 number, since 2×520086312² = 540979543859522688, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (520086311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20508 + ... + 38219.

It is an arithmetic number, because the mean of its divisors is an integer number (23124150).

Almost surely, 2^520086312 is an apocalyptic number.

It is an amenable number.

520086312 is an abundant number, since it is smaller than the sum of its proper divisors (959859288).

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

520086312 is a wasteful number, since it uses less digits than its factorization.

520086312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58783 (or 58773 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 520086312 is about 22805.4009392512. The cubic root of 520086312 is about 804.1896411643.

The spelling of 520086312 in words is "five hundred twenty million, eighty-six thousand, three hundred twelve".