520522525 has 12 divisors (see below), whose sum is σ = 660459712. Its totient is φ = 406733040.

The previous prime is 520522501. The next prime is 520522529. The reversal of 520522525 is 525225025.

It is not a de Polignac number, because 520522525 - 2⁵ = 520522493 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 520522493 and 520522502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520522529) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 241029 + ... + 243178.

Almost surely, 2^520522525 is an apocalyptic number.

It is an amenable number.

520522525 is a deficient number, since it is larger than the sum of its proper divisors (139937187).

520522525 is a wasteful number, since it uses less digits than its factorization.

520522525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484260 (or 484255 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 28.

The square root of 520522525 is about 22814.9627437785. The cubic root of 520522525 is about 804.4144115139.

It can be divided in two parts, 5205 and 22525, that added together give a triangular number (27730 = T₂₃₅).

The spelling of 520522525 in words is "five hundred twenty million, five hundred twenty-two thousand, five hundred twenty-five".