25861768 has 16 divisors (see below), whose sum is σ = 48545280. Its totient is φ = 12916368.

The previous prime is 25861763. The next prime is 25861769. The reversal of 25861768 is 86716852.

It is not an unprimeable number, because it can be changed into a prime (25861763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11505 + ... + 13567.

It is an arithmetic number, because the mean of its divisors is an integer number (3034080).

Almost surely, 2^25861768 is an apocalyptic number.

It is an amenable number.

25861768 is a deficient number, since it is larger than the sum of its proper divisors (22683512).

25861768 is a wasteful number, since it uses less digits than its factorization.

25861768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3636 (or 3632 counting only the distinct ones).

The product of its digits is 161280, while the sum is 43.

The square root of 25861768 is about 5085.4466863787. The cubic root of 25861768 is about 295.7236585759.

It can be divided in two parts, 258 and 61768, that added together give a palindrome (62026).

The spelling of 25861768 in words is "twenty-five million, eight hundred sixty-one thousand, seven hundred sixty-eight".