131153525 has 24 divisors (see below), whose sum is σ = 165558600. Its totient is φ = 103055360.

The previous prime is 131153513. The next prime is 131153527. The reversal of 131153525 is 525351131.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 17901361 + 113252164 = 4231^2 + 10642^2 .

It is not a de Polignac number, because 131153525 - 2⁶ = 131153461 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131153494 and 131153503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131153527) 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 23 ways as a sum of consecutive naturals, for example, 510197 + ... + 510453.

It is an arithmetic number, because the mean of its divisors is an integer number (6898275).

Almost surely, 2^131153525 is an apocalyptic number.

It is an amenable number.

131153525 is a deficient number, since it is larger than the sum of its proper divisors (34405075).

131153525 is a wasteful number, since it uses less digits than its factorization.

131153525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553 (or 548 counting only the distinct ones).

The product of its digits is 2250, while the sum is 26.

The square root of 131153525 is about 11452.2279491809. The cubic root of 131153525 is about 508.0736312661.

The spelling of 131153525 in words is "one hundred thirty-one million, one hundred fifty-three thousand, five hundred twenty-five".