25140568 has 16 divisors (see below), whose sum is σ = 47209680. Its totient is φ = 12551328.

The previous prime is 25140527. The next prime is 25140589. The reversal of 25140568 is 86504152.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4405 + ... + 8347.

It is an arithmetic number, because the mean of its divisors is an integer number (2950605).

Almost surely, 2^25140568 is an apocalyptic number.

It is an amenable number.

25140568 is a deficient number, since it is larger than the sum of its proper divisors (22069112).

25140568 is a wasteful number, since it uses less digits than its factorization.

25140568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4746 (or 4742 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 25140568 is about 5014.0370959936. The cubic root of 25140568 is about 292.9487809766.

The spelling of 25140568 in words is "twenty-five million, one hundred forty thousand, five hundred sixty-eight".