125325531 has 6 divisors (see below), whose sum is σ = 181025780. Its totient is φ = 83550348.

The previous prime is 125325527. The next prime is 125325533. The reversal of 125325531 is 135523521.

It is a happy number.

125325531 is a `hidden beast` number, since 125 + 3 + 2 + 5 + 531 = 666.

It is not a de Polignac number, because 125325531 - 2² = 125325527 is a prime.

It is a super-2 number, since 2×125325531² = 31412977440863922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125325495 and 125325504.

It is not an unprimeable number, because it can be changed into a prime (125325533) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6962521 + ... + 6962538.

Almost surely, 2^125325531 is an apocalyptic number.

125325531 is a deficient number, since it is larger than the sum of its proper divisors (55700249).

125325531 is a wasteful number, since it uses less digits than its factorization.

125325531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13925065 (or 13925062 counting only the distinct ones).

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

The square root of 125325531 is about 11194.8886104329. Note that the first 3 decimals coincide. The cubic root of 125325531 is about 500.4336650938.

The spelling of 125325531 in words is "one hundred twenty-five million, three hundred twenty-five thousand, five hundred thirty-one".