131325025 has 48 divisors (see below), whose sum is σ = 183918784. Its totient is φ = 92378880.

The previous prime is 131325023. The next prime is 131325041. The reversal of 131325025 is 520523131.

It is not a de Polignac number, because 131325025 - 2¹ = 131325023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131324987 and 131325005.

It is not an unprimeable number, because it can be changed into a prime (131325023) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 805594 + ... + 805756.

Almost surely, 2^131325025 is an apocalyptic number.

It is an amenable number.

131325025 is a deficient number, since it is larger than the sum of its proper divisors (52593759).

131325025 is a wasteful number, since it uses less digits than its factorization.

131325025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290 (or 285 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 131325025 is about 11459.7131290447. The cubic root of 131325025 is about 508.2949918825.

Adding to 131325025 its reverse (520523131), we get a palindrome (651848156).

The spelling of 131325025 in words is "one hundred thirty-one million, three hundred twenty-five thousand, twenty-five".