520512874 has 16 divisors (see below), whose sum is σ = 911294208. Its totient is φ = 218330352.

The previous prime is 520512799. The next prime is 520512943. The reversal of 520512874 is 478215025.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 394869 + ... + 396184.

It is an arithmetic number, because the mean of its divisors is an integer number (56955888).

Almost surely, 2^520512874 is an apocalyptic number.

520512874 is a deficient number, since it is larger than the sum of its proper divisors (390781334).

520512874 is a wasteful number, since it uses less digits than its factorization.

520512874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 791109.

The product of its (nonzero) digits is 22400, while the sum is 34.

The square root of 520512874 is about 22814.7512368643. The cubic root of 520512874 is about 804.4094399381.

Adding to 520512874 its reverse (478215025), we get a palindrome (998727899).

The spelling of 520512874 in words is "five hundred twenty million, five hundred twelve thousand, eight hundred seventy-four".