520260875 has 8 divisors (see below), whose sum is σ = 649285728. Its totient is φ = 416208600.

The previous prime is 520260847. The next prime is 520260929. The reversal of 520260875 is 578062025.

It is a de Polignac number, because none of the positive numbers 2^k-520260875 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2080919 + ... + 2081168.

It is an arithmetic number, because the mean of its divisors is an integer number (81160716).

Almost surely, 2^520260875 is an apocalyptic number.

520260875 is a deficient number, since it is larger than the sum of its proper divisors (129024853).

520260875 is an equidigital number, since it uses as much as digits as its factorization.

520260875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4162102 (or 4162092 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 520260875 is about 22809.2278475182. The cubic root of 520260875 is about 804.2796044710.

The spelling of 520260875 in words is "five hundred twenty million, two hundred sixty thousand, eight hundred seventy-five".