131525325 has 18 divisors (see below), whose sum is σ = 235576874. Its totient is φ = 70146720.

The previous prime is 131525323. The next prime is 131525327. The reversal of 131525325 is 523525131.

It is a happy number.

131525325 is a `hidden beast` number, since 1 + 315 + 25 + 325 = 666.

It is an interprime number because it is at equal distance from previous prime (131525323) and next prime (131525327).

It can be written as a sum of positive squares in 3 ways, for example, as 56169 + 131469156 = 237^2 + 11466^2 .

It is not a de Polignac number, because 131525325 - 2¹ = 131525323 is a prime.

It is a super-2 number, since 2×131525325² = 34597822232711250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131525323) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 292054 + ... + 292503.

Almost surely, 2^131525325 is an apocalyptic number.

131525325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

131525325 is a deficient number, since it is larger than the sum of its proper divisors (104051549).

131525325 is a wasteful number, since it uses less digits than its factorization.

131525325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584573 (or 584565 counting only the distinct ones).

The product of its digits is 4500, while the sum is 27.

The square root of 131525325 is about 11468.4491104944. The cubic root of 131525325 is about 508.5532817475.

The spelling of 131525325 in words is "one hundred thirty-one million, five hundred twenty-five thousand, three hundred twenty-five".