520577470025 has 12 divisors (see below), whose sum is σ = 645655057500. Its totient is φ = 416372302080.

The previous prime is 520577469869. The next prime is 520577470031. The reversal of 520577470025 is 520074775025.

It can be written as a sum of positive squares in 6 ways, for example, as 23253505081 + 497323964944 = 152491^2 + 705212^2 .

It is not a de Polignac number, because 520577470025 - 2¹⁰ = 520577469001 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, 2123300 + ... + 2355749.

It is an arithmetic number, because the mean of its divisors is an integer number (53804588125).

Almost surely, 2^520577470025 is an apocalyptic number.

It is an amenable number.

520577470025 is a deficient number, since it is larger than the sum of its proper divisors (125077587475).

520577470025 is a wasteful number, since it uses less digits than its factorization.

520577470025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4483708 (or 4483703 counting only the distinct ones).

The product of its (nonzero) digits is 686000, while the sum is 44.

The spelling of 520577470025 in words is "five hundred twenty billion, five hundred seventy-seven million, four hundred seventy thousand, twenty-five".