131544525 has 48 divisors (see below), whose sum is σ = 254380544. Its totient is φ = 58726080.

The previous prime is 131544503. The next prime is 131544541. The reversal of 131544525 is 525445131.

It is not a de Polignac number, because 131544525 - 2⁶ = 131544461 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 131544492 and 131544501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19662 + ... + 25488.

Almost surely, 2^131544525 is an apocalyptic number.

131544525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

131544525 is a deficient number, since it is larger than the sum of its proper divisors (122836019).

131544525 is a wasteful number, since it uses less digits than its factorization.

131544525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5890 (or 5885 counting only the distinct ones).

The product of its digits is 12000, while the sum is 30.

The square root of 131544525 is about 11469.2861591295. The cubic root of 131544525 is about 508.5780266599.

Adding to 131544525 its reverse (525445131), we get a palindrome (656989656).

The spelling of 131544525 in words is "one hundred thirty-one million, five hundred forty-four thousand, five hundred twenty-five".