25956868 has 24 divisors (see below), whose sum is σ = 52976000. Its totient is φ = 11123784.

The previous prime is 25956863. The next prime is 25956881. The reversal of 25956868 is 86865952.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is not an unprimeable number, because it can be changed into a prime (25956863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8088 + ... + 10831.

Almost surely, 2^25956868 is an apocalyptic number.

25956868 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

25956868 is an abundant number, since it is smaller than the sum of its proper divisors (27019132).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25956868 is a wasteful number, since it uses less digits than its factorization.

25956868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18944 (or 18928 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 49.

The square root of 25956868 is about 5094.7883174868. The cubic root of 25956868 is about 296.0856977333.

The spelling of 25956868 in words is "twenty-five million, nine hundred fifty-six thousand, eight hundred sixty-eight".