520341643625 has 16 divisors (see below), whose sum is σ = 649412639616. Its totient is φ = 416256476400.

The previous prime is 520341643597. The next prime is 520341643639. The reversal of 520341643625 is 526346143025.

It is not a de Polignac number, because 520341643625 - 2¹⁶ = 520341578089 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3693734 + ... + 3832016.

It is an arithmetic number, because the mean of its divisors is an integer number (40588289976).

Almost surely, 2^520341643625 is an apocalyptic number.

It is an amenable number.

520341643625 is a deficient number, since it is larger than the sum of its proper divisors (129070995991).

520341643625 is a wasteful number, since it uses less digits than its factorization.

520341643625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168401 (or 168391 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 41.

The spelling of 520341643625 in words is "five hundred twenty billion, three hundred forty-one million, six hundred forty-three thousand, six hundred twenty-five".