13525017 has 48 divisors (see below), whose sum is σ = 21833280. Its totient is φ = 7413120.

The previous prime is 13525009. The next prime is 13525027. The reversal of 13525017 is 71052531.

It is not a de Polignac number, because 13525017 - 2³ = 13525009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13525007) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 255163 + ... + 255215.

It is an arithmetic number, because the mean of its divisors is an integer number (454860).

Almost surely, 2^13525017 is an apocalyptic number.

It is an amenable number.

13525017 is a deficient number, since it is larger than the sum of its proper divisors (8308263).

13525017 is a wasteful number, since it uses less digits than its factorization.

13525017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134 (or 123 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 24.

The square root of 13525017 is about 3677.6374209538. The cubic root of 13525017 is about 238.2571485622.

Adding to 13525017 its reverse (71052531), we get a palindrome (84577548).

It can be divided in two parts, 135 and 25017, that added together give a palindrome (25152).

The spelling of 13525017 in words is "thirteen million, five hundred twenty-five thousand, seventeen".