13265525 has 60 divisors (see below), whose sum is σ = 21881412. Its totient is φ = 7902720.

The previous prime is 13265521. The next prime is 13265533. The reversal of 13265525 is 52556231.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 470596 + 12794929 = 686^2 + 3577^2 .

It is not a de Polignac number, because 13265525 - 2² = 13265521 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13265521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 780317 + ... + 780333.

Almost surely, 2^13265525 is an apocalyptic number.

It is an amenable number.

13265525 is a deficient number, since it is larger than the sum of its proper divisors (8615887).

13265525 is an equidigital number, since it uses as much as digits as its factorization.

13265525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68 (or 42 counting only the distinct ones).

The product of its digits is 9000, while the sum is 29.

The square root of 13265525 is about 3642.1868430930. The cubic root of 13265525 is about 236.7235585857.

The spelling of 13265525 in words is "thirteen million, two hundred sixty-five thousand, five hundred twenty-five".