13525161 has 16 divisors (see below), whose sum is σ = 19514880. Its totient is φ = 8282880.

The previous prime is 13525159. The next prime is 13525189. The reversal of 13525161 is 16152531.

It is not a de Polignac number, because 13525161 - 2¹ = 13525159 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13525111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8680 + ... + 10118.

It is an arithmetic number, because the mean of its divisors is an integer number (1219680).

Almost surely, 2^13525161 is an apocalyptic number.

It is an amenable number.

13525161 is a deficient number, since it is larger than the sum of its proper divisors (5989719).

13525161 is a wasteful number, since it uses less digits than its factorization.

13525161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1696.

The product of its digits is 900, while the sum is 24.

The square root of 13525161 is about 3677.6569986882. The cubic root of 13525161 is about 238.2579941288.

Adding to 13525161 its reverse (16152531), we get a palindrome (29677692).

The spelling of 13525161 in words is "thirteen million, five hundred twenty-five thousand, one hundred sixty-one".