522081525 has 72 divisors (see below), whose sum is σ = 1057090080. Its totient is φ = 226074240.

The previous prime is 522081517. The next prime is 522081529. The reversal of 522081525 is 525180225.

It is not a de Polignac number, because 522081525 - 2³ = 522081517 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 522081492 and 522081501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522081529) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 66087 + ... + 73563.

Almost surely, 2^522081525 is an apocalyptic number.

It is an amenable number.

522081525 is an abundant number, since it is smaller than the sum of its proper divisors (535008555).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

522081525 is a wasteful number, since it uses less digits than its factorization.

522081525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7523 (or 7511 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 30.

The square root of 522081525 is about 22849.1033740933. The cubic root of 522081525 is about 805.2167028438.

The spelling of 522081525 in words is "five hundred twenty-two million, eighty-one thousand, five hundred twenty-five".