13885525 has 6 divisors (see below), whose sum is σ = 17218082. Its totient is φ = 11108400.

The previous prime is 13885493. The next prime is 13885559. The reversal of 13885525 is 52558831.

13885525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 62001 + 13823524 = 249^2 + 3718^2 .

It is not a de Polignac number, because 13885525 - 2⁵ = 13885493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 277686 + ... + 277735.

Almost surely, 2^13885525 is an apocalyptic number.

It is an amenable number.

13885525 is a deficient number, since it is larger than the sum of its proper divisors (3332557).

13885525 is an equidigital number, since it uses as much as digits as its factorization.

13885525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555431 (or 555426 counting only the distinct ones).

The product of its digits is 48000, while the sum is 37.

The square root of 13885525 is about 3726.3286221159. The cubic root of 13885525 is about 240.3555205484.

The spelling of 13885525 in words is "thirteen million, eight hundred eighty-five thousand, five hundred twenty-five".