125525331 has 12 divisors (see below), whose sum is σ = 191980152. Its totient is φ = 78760896.

The previous prime is 125525327. The next prime is 125525339. The reversal of 125525331 is 133525521.

It is a happy number.

125525331 is a `hidden beast` number, since 125 + 5 + 2 + 533 + 1 = 666.

It is not a de Polignac number, because 125525331 - 2² = 125525327 is a prime.

It is a super-2 number, since 2×125525331² = 31513217445319122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 125525295 and 125525304.

It is not an unprimeable number, because it can be changed into a prime (125525339) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 410061 + ... + 410366.

It is an arithmetic number, because the mean of its divisors is an integer number (15998346).

Almost surely, 2^125525331 is an apocalyptic number.

125525331 is a deficient number, since it is larger than the sum of its proper divisors (66454821).

125525331 is a wasteful number, since it uses less digits than its factorization.

125525331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820450 (or 820447 counting only the distinct ones).

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

The square root of 125525331 is about 11203.8087720203. The cubic root of 125525331 is about 500.6994623818.

The spelling of 125525331 in words is "one hundred twenty-five million, five hundred twenty-five thousand, three hundred thirty-one".