525565525 has 12 divisors (see below), whose sum is σ = 680036832. Its totient is φ = 402171440.

The previous prime is 525565493. The next prime is 525565531.

525565525 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 525565525 - 2⁵ = 525565493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 456439 + ... + 457588.

It is an arithmetic number, because the mean of its divisors is an integer number (56669736).

Almost surely, 2^525565525 is an apocalyptic number.

It is an amenable number.

525565525 is a deficient number, since it is larger than the sum of its proper divisors (154471307).

525565525 is a wasteful number, since it uses less digits than its factorization.

525565525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 914060 (or 914055 counting only the distinct ones).

The product of its digits is 375000, while the sum is 40.

The square root of 525565525 is about 22925.2159204663. The cubic root of 525565525 is about 807.0038807295.

It can be divided in two parts, 52556 and 5525, that added together give a square (58081 = 241²).

The spelling of 525565525 in words is "five hundred twenty-five million, five hundred sixty-five thousand, five hundred twenty-five".