520838625 has 32 divisors (see below), whose sum is σ = 870135552. Its totient is φ = 276672000.

The previous prime is 520838609. The next prime is 520838629. The reversal of 520838625 is 526838025.

It is not a de Polignac number, because 520838625 - 2⁴ = 520838609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (520838629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 95985 + ... + 101265.

It is an arithmetic number, because the mean of its divisors is an integer number (27191736).

Almost surely, 2^520838625 is an apocalyptic number.

It is an amenable number.

520838625 is a deficient number, since it is larger than the sum of its proper divisors (349296927).

520838625 is a wasteful number, since it uses less digits than its factorization.

520838625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5562 (or 5552 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 39.

The square root of 520838625 is about 22821.8891636955. The cubic root of 520838625 is about 804.5772119877.

The spelling of 520838625 in words is "five hundred twenty million, eight hundred thirty-eight thousand, six hundred twenty-five".