25442968 has 32 divisors (see below), whose sum is σ = 50738400. Its totient is φ = 11934208.

The previous prime is 25442953. The next prime is 25442969. The reversal of 25442968 is 86924452.

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 25442968.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25442969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8448 + ... + 11056.

It is an arithmetic number, because the mean of its divisors is an integer number (1585575).

Almost surely, 2^25442968 is an apocalyptic number.

It is an amenable number.

25442968 is a deficient number, since it is larger than the sum of its proper divisors (25295432).

25442968 is a wasteful number, since it uses less digits than its factorization.

25442968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2691 (or 2687 counting only the distinct ones).

The product of its digits is 138240, while the sum is 40.

The square root of 25442968 is about 5044.1022987247. The cubic root of 25442968 is about 294.1186680623.

The spelling of 25442968 in words is "twenty-five million, four hundred forty-two thousand, nine hundred sixty-eight".