11497525 has 24 divisors (see below), whose sum is σ = 16264584. Its totient is φ = 7987200.

The previous prime is 11497523. The next prime is 11497553. The reversal of 11497525 is 52579411.

It can be written as a sum of positive squares in 12 ways, for example, as 4137156 + 7360369 = 2034^2 + 2713^2 .

It is not a de Polignac number, because 11497525 - 2¹ = 11497523 is a prime.

It is a super-2 number, since 2×11497525² = 264386162251250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11497523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4485 + ... + 6565.

It is an arithmetic number, because the mean of its divisors is an integer number (677691).

Almost surely, 2^11497525 is an apocalyptic number.

It is an amenable number.

11497525 is a deficient number, since it is larger than the sum of its proper divisors (4767059).

11497525 is a wasteful number, since it uses less digits than its factorization.

11497525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2121 (or 2116 counting only the distinct ones).

The product of its digits is 12600, while the sum is 34.

The square root of 11497525 is about 3390.8000530848. The cubic root of 11497525 is about 225.7016778081.

The spelling of 11497525 in words is "eleven million, four hundred ninety-seven thousand, five hundred twenty-five".