31059425 has 24 divisors (see below), whose sum is σ = 41220576. Its totient is φ = 23133440.

The previous prime is 31059421. The next prime is 31059439. The reversal of 31059425 is 52495013.

It is not a de Polignac number, because 31059425 - 2² = 31059421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31059421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45134 + ... + 45816.

It is an arithmetic number, because the mean of its divisors is an integer number (1717524).

Almost surely, 2^31059425 is an apocalyptic number.

It is an amenable number.

31059425 is a deficient number, since it is larger than the sum of its proper divisors (10161151).

31059425 is a wasteful number, since it uses less digits than its factorization.

31059425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817 (or 812 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 31059425 is about 5573.0983303724. The cubic root of 31059425 is about 314.3386645831.

The spelling of 31059425 in words is "thirty-one million, fifty-nine thousand, four hundred twenty-five".