25761992 has 32 divisors (see below), whose sum is σ = 50580480. Its totient is φ = 12286080.

The previous prime is 25761977. The next prime is 25762007. The reversal of 25761992 is 29916752.

It is an interprime number because it is at equal distance from previous prime (25761977) and next prime (25762007).

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, 17393 + ... + 18815.

It is an arithmetic number, because the mean of its divisors is an integer number (1580640).

Almost surely, 2^25761992 is an apocalyptic number.

It is an amenable number.

25761992 is a deficient number, since it is larger than the sum of its proper divisors (24818488).

25761992 is a wasteful number, since it uses less digits than its factorization.

25761992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1533 (or 1529 counting only the distinct ones).

The product of its digits is 68040, while the sum is 41.

The square root of 25761992 is about 5075.6272518773. The cubic root of 25761992 is about 295.3428628692.

The spelling of 25761992 in words is "twenty-five million, seven hundred sixty-one thousand, nine hundred ninety-two".