11525997 has 16 divisors (see below), whose sum is σ = 17616512. Its totient is φ = 6566400.

The previous prime is 11525993. The next prime is 11525999. The reversal of 11525997 is 79952511.

It is not a de Polignac number, because 11525997 - 2² = 11525993 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 (11525993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8997 + ... + 10197.

It is an arithmetic number, because the mean of its divisors is an integer number (1101032).

Almost surely, 2^11525997 is an apocalyptic number.

It is an amenable number.

11525997 is a deficient number, since it is larger than the sum of its proper divisors (6090515).

11525997 is a wasteful number, since it uses less digits than its factorization.

11525997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1668.

The product of its digits is 28350, while the sum is 39.

The square root of 11525997 is about 3394.9958762862. The cubic root of 11525997 is about 225.8878303626.

The spelling of 11525997 in words is "eleven million, five hundred twenty-five thousand, nine hundred ninety-seven".