13601525 has 12 divisors (see below), whose sum is σ = 19275552. Its totient is φ = 9326640.

The previous prime is 13601521. The next prime is 13601543. The reversal of 13601525 is 52510631.

13601525 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13601525 - 2² = 13601521 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13601525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13601521) 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, 38687 + ... + 39036.

It is an arithmetic number, because the mean of its divisors is an integer number (1606296).

Almost surely, 2^13601525 is an apocalyptic number.

It is an amenable number.

13601525 is a deficient number, since it is larger than the sum of its proper divisors (5674027).

13601525 is an equidigital number, since it uses as much as digits as its factorization.

13601525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77740 (or 77735 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 13601525 is about 3688.0245389639. The cubic root of 13601525 is about 238.7055599239.

The spelling of 13601525 in words is "thirteen million, six hundred one thousand, five hundred twenty-five".