12525529 has 4 divisors (see below), whose sum is σ = 12684160. Its totient is φ = 12366900.

The previous prime is 12525511. The next prime is 12525533. The reversal of 12525529 is 92552521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 92552521 = 4603 ⋅20107.

It is a cyclic number.

It is not a de Polignac number, because 12525529 - 2⁵ = 12525497 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12525529.

It is not an unprimeable number, because it can be changed into a prime (12525509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79197 + ... + 79354.

It is an arithmetic number, because the mean of its divisors is an integer number (3171040).

Almost surely, 2^12525529 is an apocalyptic number.

It is an amenable number.

12525529 is a deficient number, since it is larger than the sum of its proper divisors (158631).

12525529 is an equidigital number, since it uses as much as digits as its factorization.

12525529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158630.

The product of its digits is 9000, while the sum is 31.

The square root of 12525529 is about 3539.1424102457. The cubic root of 12525529 is about 232.2373277399.

The spelling of 12525529 in words is "twelve million, five hundred twenty-five thousand, five hundred twenty-nine".