525525525 has 36 divisors (see below), whose sum is σ = 1075745632. Its totient is φ = 240239520.

The previous prime is 525525521. The next prime is 525525527.

525525525 is a `hidden beast` number, since 52 + 5 + 52 + 552 + 5 = 666.

525525525 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 525525525 - 2² = 525525521 is a prime.

It is a Duffinian number.

525525525 is a modest number, since divided by 525525 gives 525 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 525525525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525525521) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 165259 + ... + 168408.

Almost surely, 2^525525525 is an apocalyptic number.

It is an amenable number.

525525525 is an abundant number, since it is smaller than the sum of its proper divisors (550220107).

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

525525525 is a wasteful number, since it uses less digits than its factorization.

525525525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333690 (or 333682 counting only the distinct ones).

The product of its digits is 125000, while the sum is 36.

The square root of 525525525 is about 22924.3435020504. The cubic root of 525525525 is about 806.9834069270.

The spelling of 525525525 in words is "five hundred twenty-five million, five hundred twenty-five thousand, five hundred twenty-five".