131175525 has 96 divisors (see below), whose sum is σ = 251789440. Its totient is φ = 59719680.

The previous prime is 131175511. The next prime is 131175529. The reversal of 131175525 is 525571131.

It is not a de Polignac number, because 131175525 - 2⁵ = 131175493 is a prime.

Its product of digits (5250) is a multiple of the sum of its prime divisors (210).

It is a junction number, because it is equal to n+sod(n) for n = 131175492 and 131175501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131175529) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1352277 + ... + 1352373.

Almost surely, 2^131175525 is an apocalyptic number.

131175525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

131175525 is a deficient number, since it is larger than the sum of its proper divisors (120613915).

131175525 is a wasteful number, since it uses less digits than its factorization.

131175525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215 (or 210 counting only the distinct ones).

The product of its digits is 5250, while the sum is 30.

The square root of 131175525 is about 11453.1884206975. The cubic root of 131175525 is about 508.1020381654.

The spelling of 131175525 in words is "one hundred thirty-one million, one hundred seventy-five thousand, five hundred twenty-five".