25140292 has 24 divisors (see below), whose sum is σ = 44815680. Its totient is φ = 12338400.

The previous prime is 25140289. The next prime is 25140301. The reversal of 25140292 is 29204152.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64434 + ... + 64822.

It is an arithmetic number, because the mean of its divisors is an integer number (1867320).

Almost surely, 2^25140292 is an apocalyptic number.

It is an amenable number.

25140292 is a deficient number, since it is larger than the sum of its proper divisors (19675388).

25140292 is a wasteful number, since it uses less digits than its factorization.

25140292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651 (or 649 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 25140292 is about 5014.0095731859. The cubic root of 25140292 is about 292.9477089488.

The spelling of 25140292 in words is "twenty-five million, one hundred forty thousand, two hundred ninety-two".