520025430130225 has 48 divisors (see below), whose sum is σ = 655422272289792. Its totient is φ = 409232332636160.

The previous prime is 520025430130123. The next prime is 520025430130249. The reversal of 520025430130225 is 522031034520025.

It is not a de Polignac number, because 520025430130225 - 2⁷ = 520025430130097 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1243921584 + ... + 1244339566.

It is an arithmetic number, because the mean of its divisors is an integer number (13654630672704).

Almost surely, 2^{520025430130225} is an apocalyptic number.

It is an amenable number.

520025430130225 is a deficient number, since it is larger than the sum of its proper divisors (135396842159567).

520025430130225 is a wasteful number, since it uses less digits than its factorization.

520025430130225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420666 (or 420661 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 34.

The spelling of 520025430130225 in words is "five hundred twenty trillion, twenty-five billion, four hundred thirty million, one hundred thirty thousand, two hundred twenty-five".