13533925 has 12 divisors (see below), whose sum is σ = 16958116. Its totient is φ = 10713600.

The previous prime is 13533917. The next prime is 13533929. The reversal of 13533925 is 52933531.

13533925 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 6 ways, for example, as 910116 + 12623809 = 954^2 + 3553^2 .

It is not a de Polignac number, because 13533925 - 2³ = 13533917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13533929) 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, 366 + ... + 5215.

Almost surely, 2^13533925 is an apocalyptic number.

It is an amenable number.

13533925 is a deficient number, since it is larger than the sum of its proper divisors (3424191).

13533925 is an equidigital number, since it uses as much as digits as its factorization.

13533925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5688 (or 5683 counting only the distinct ones).

The product of its digits is 12150, while the sum is 31.

The square root of 13533925 is about 3678.8483252235. The cubic root of 13533925 is about 238.3094449571.

The spelling of 13533925 in words is "thirteen million, five hundred thirty-three thousand, nine hundred twenty-five".