11812525 has 12 divisors (see below), whose sum is σ = 14814900. Its totient is φ = 9342080.

The previous prime is 11812517. The next prime is 11812529. The reversal of 11812525 is 52521811.

11812525 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 4571044 + 7241481 = 2138^2 + 2691^2 .

It is not a de Polignac number, because 11812525 - 2³ = 11812517 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 11812525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11812529) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 430 + ... + 4879.

It is an arithmetic number, because the mean of its divisors is an integer number (1234575).

Almost surely, 2^11812525 is an apocalyptic number.

It is an amenable number.

11812525 is a deficient number, since it is larger than the sum of its proper divisors (3002375).

11812525 is an equidigital number, since it uses as much as digits as its factorization.

11812525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5408 (or 5403 counting only the distinct ones).

The product of its digits is 800, while the sum is 25.

The square root of 11812525 is about 3436.9354081798. The cubic root of 11812525 is about 227.7443335566.

The spelling of 11812525 in words is "eleven million, eight hundred twelve thousand, five hundred twenty-five".