520311015325 has 12 divisors (see below), whose sum is σ = 645206009728. Its totient is φ = 416235682800.

The previous prime is 520311015319. The next prime is 520311015337. The reversal of 520311015325 is 523510113025.

It is not a de Polignac number, because 520311015325 - 2³ = 520311015317 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 520311015293 and 520311015302.

It is a congruent number.

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, 523540 + ... + 1146610.

Almost surely, 2^520311015325 is an apocalyptic number.

It is an amenable number.

520311015325 is a deficient number, since it is larger than the sum of its proper divisors (124894994403).

520311015325 is a wasteful number, since it uses less digits than its factorization.

520311015325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656484 (or 656479 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 28.

The spelling of 520311015325 in words is "five hundred twenty billion, three hundred eleven million, fifteen thousand, three hundred twenty-five".