13573525 has 12 divisors (see below), whose sum is σ = 19235872. Its totient is φ = 9307440.

The previous prime is 13573513. The next prime is 13573559. The reversal of 13573525 is 52537531.

It is not a de Polignac number, because 13573525 - 2⁵ = 13573493 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 11 ways as a sum of consecutive naturals, for example, 38607 + ... + 38956.

Almost surely, 2^13573525 is an apocalyptic number.

It is an amenable number.

13573525 is a deficient number, since it is larger than the sum of its proper divisors (5662347).

13573525 is an equidigital number, since it uses as much as digits as its factorization.

13573525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77580 (or 77575 counting only the distinct ones).

The product of its digits is 15750, while the sum is 31.

The square root of 13573525 is about 3684.2265131232. The cubic root of 13573525 is about 238.5416482227.

The spelling of 13573525 in words is "thirteen million, five hundred seventy-three thousand, five hundred twenty-five".