520267255825 has 12 divisors (see below), whose sum is σ = 683080303500. Its totient is φ = 391730639360.

The previous prime is 520267255817. The next prime is 520267255843. The reversal of 520267255825 is 528552762025.

It can be written as a sum of positive squares in 6 ways, for example, as 113294736 + 520153961089 = 10644^2 + 721217^2 .

It is not a de Polignac number, because 520267255825 - 2³ = 520267255817 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 612078700 + ... + 612079549.

It is an arithmetic number, because the mean of its divisors is an integer number (56923358625).

Almost surely, 2^520267255825 is an apocalyptic number.

It is an amenable number.

520267255825 is a deficient number, since it is larger than the sum of its proper divisors (162813047675).

520267255825 is a wasteful number, since it uses less digits than its factorization.

520267255825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1224158276 (or 1224158271 counting only the distinct ones).

The product of its (nonzero) digits is 3360000, while the sum is 49.

The spelling of 520267255825 in words is "five hundred twenty billion, two hundred sixty-seven million, two hundred fifty-five thousand, eight hundred twenty-five".