12251525 has 48 divisors (see below), whose sum is σ = 18748800. Its totient is φ = 7814400.

The previous prime is 12251501. The next prime is 12251549. The reversal of 12251525 is 52515221.

It is an interprime number because it is at equal distance from previous prime (12251501) and next prime (12251549).

It is not a de Polignac number, because 12251525 - 2⁸ = 12251269 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a self number, because there is not a number n which added to its sum of digits gives 12251525.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 82151 + ... + 82299.

It is an arithmetic number, because the mean of its divisors is an integer number (390600).

Almost surely, 2^12251525 is an apocalyptic number.

It is an amenable number.

12251525 is a deficient number, since it is larger than the sum of its proper divisors (6497275).

12251525 is a wasteful number, since it uses less digits than its factorization.

12251525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206 (or 201 counting only the distinct ones).

The product of its digits is 1000, while the sum is 23.

The square root of 12251525 is about 3500.2178503630. The cubic root of 12251525 is about 230.5313800772.

Adding to 12251525 its reverse (52515221), we get a palindrome (64766746).

The spelling of 12251525 in words is "twelve million, two hundred fifty-one thousand, five hundred twenty-five".