25975031 has 10 divisors (see below), whose sum is σ = 27687192. Its totient is φ = 24368480.

The previous prime is 25975009. The next prime is 25975049. The reversal of 25975031 is 13057952.

It is not a de Polignac number, because 25975031 - 2²² = 21780727 is a prime.

It is a super-2 number, since 2×25975031² = 1349404470901922, 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 (25975051) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 83366 + ... + 83676.

Almost surely, 2^25975031 is an apocalyptic number.

25975031 is a deficient number, since it is larger than the sum of its proper divisors (1712161).

25975031 is an frugal number, since it uses more digits than its factorization.

25975031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379 (or 328 counting only the distinct ones).

The product of its (nonzero) digits is 9450, while the sum is 32.

The square root of 25975031 is about 5096.5705135905. The cubic root of 25975031 is about 296.1547424099.

The spelling of 25975031 in words is "twenty-five million, nine hundred seventy-five thousand, thirty-one".