13166525 has 24 divisors (see below), whose sum is σ = 17543520. Its totient is φ = 9771840.

The previous prime is 13166521. The next prime is 13166567. The reversal of 13166525 is 52566131.

It is not a de Polignac number, because 13166525 - 2² = 13166521 is a prime.

Its product of digits (5400) is a multiple of the sum of its prime divisors (600).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13166521) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24914 + ... + 25436.

It is an arithmetic number, because the mean of its divisors is an integer number (730980).

Almost surely, 2^13166525 is an apocalyptic number.

It is an amenable number.

13166525 is a deficient number, since it is larger than the sum of its proper divisors (4376995).

13166525 is a wasteful number, since it uses less digits than its factorization.

13166525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605 (or 600 counting only the distinct ones).

The product of its digits is 5400, while the sum is 29.

The square root of 13166525 is about 3628.5706552305. The cubic root of 13166525 is about 236.1332018803.

The spelling of 13166525 in words is "thirteen million, one hundred sixty-six thousand, five hundred twenty-five".