25955839 has 16 divisors (see below), whose sum is σ = 32603200. Its totient is φ = 20532960.

The previous prime is 25955827. The next prime is 25955851. The reversal of 25955839 is 93855952.

It is an interprime number because it is at equal distance from previous prime (25955827) and next prime (25955851).

It is a de Polignac number, because none of the positive numbers 2^k-25955839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25955819) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1549 + ... + 7369.

It is an arithmetic number, because the mean of its divisors is an integer number (2037700).

Almost surely, 2^25955839 is an apocalyptic number.

25955839 is a deficient number, since it is larger than the sum of its proper divisors (6647361).

25955839 is an equidigital number, since it uses as much as digits as its factorization.

25955839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5855 (or 5841 counting only the distinct ones).

The product of its digits is 486000, while the sum is 46.

The square root of 25955839 is about 5094.6873309360. The cubic root of 25955839 is about 296.0817851374.

The spelling of 25955839 in words is "twenty-five million, nine hundred fifty-five thousand, eight hundred thirty-nine".