131532425 has 12 divisors (see below), whose sum is σ = 164627856. Its totient is φ = 104240400.

The previous prime is 131532403. The next prime is 131532437. The reversal of 131532425 is 524235131.

It is a happy number.

It is not a de Polignac number, because 131532425 - 2⁸ = 131532169 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131532394 and 131532403.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21911 + ... + 27260.

It is an arithmetic number, because the mean of its divisors is an integer number (13718988).

Almost surely, 2^131532425 is an apocalyptic number.

It is an amenable number.

131532425 is a deficient number, since it is larger than the sum of its proper divisors (33095431).

131532425 is a wasteful number, since it uses less digits than its factorization.

131532425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49288 (or 49283 counting only the distinct ones).

The product of its digits is 3600, while the sum is 26.

The square root of 131532425 is about 11468.7586512229. The cubic root of 131532425 is about 508.5624324905.

Adding to 131532425 its reverse (524235131), we get a palindrome (655767556).

The spelling of 131532425 in words is "one hundred thirty-one million, five hundred thirty-two thousand, four hundred twenty-five".