11564525 has 12 divisors (see below), whose sum is σ = 16388832. Its totient is φ = 7929840.

The previous prime is 11564513. The next prime is 11564543. The reversal of 11564525 is 52546511.

It is a happy number.

It is not a de Polignac number, because 11564525 - 2⁸ = 11564269 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, 32867 + ... + 33216.

It is an arithmetic number, because the mean of its divisors is an integer number (1365736).

Almost surely, 2^11564525 is an apocalyptic number.

It is an amenable number.

11564525 is a deficient number, since it is larger than the sum of its proper divisors (4824307).

11564525 is an equidigital number, since it uses as much as digits as its factorization.

11564525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66100 (or 66095 counting only the distinct ones).

The product of its digits is 6000, while the sum is 29.

The square root of 11564525 is about 3400.6653760698. The cubic root of 11564525 is about 226.1392425139.

The spelling of 11564525 in words is "eleven million, five hundred sixty-four thousand, five hundred twenty-five".