13579525 has 12 divisors (see below), whose sum is σ = 16937284. Its totient is φ = 10800000.

The previous prime is 13579523. The next prime is 13579537. The reversal of 13579525 is 52597531.

It is a happy number.

13579525 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 2709316 + 10870209 = 1646^2 + 3297^2 .

It is not a de Polignac number, because 13579525 - 2¹ = 13579523 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 (13579523) 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, 3025 + ... + 6025.

Almost surely, 2^13579525 is an apocalyptic number.

It is an amenable number.

13579525 is a deficient number, since it is larger than the sum of its proper divisors (3357759).

13579525 is a wasteful number, since it uses less digits than its factorization.

13579525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3192 (or 3187 counting only the distinct ones).

The product of its digits is 47250, while the sum is 37.

The square root of 13579525 is about 3685.0407053383. The cubic root of 13579525 is about 238.5767911216.

The spelling of 13579525 in words is "thirteen million, five hundred seventy-nine thousand, five hundred twenty-five".