25995839 has 12 divisors (see below), whose sum is σ = 27799464. Its totient is φ = 24303744.

The previous prime is 25995817. The next prime is 25995859. The reversal of 25995839 is 93859952.

It is not a de Polignac number, because 25995839 - 2²⁴ = 9218623 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25995859) 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, 84524 + ... + 84830.

It is an arithmetic number, because the mean of its divisors is an integer number (2316622).

Almost surely, 2^25995839 is an apocalyptic number.

25995839 is a deficient number, since it is larger than the sum of its proper divisors (1803625).

25995839 is a wasteful number, since it uses less digits than its factorization.

25995839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634 (or 617 counting only the distinct ones).

The product of its digits is 874800, while the sum is 50.

The square root of 25995839 is about 5098.6114776476. The cubic root of 25995839 is about 296.2338022205.

The spelling of 25995839 in words is "twenty-five million, nine hundred ninety-five thousand, eight hundred thirty-nine".