25797982 has 16 divisors (see below), whose sum is σ = 44328960. Its totient is φ = 11030328.

The previous prime is 25797943. The next prime is 25798001. The reversal of 25797982 is 28979752.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4783 + ... + 8629.

It is an arithmetic number, because the mean of its divisors is an integer number (2770560).

Almost surely, 2^25797982 is an apocalyptic number.

25797982 is a deficient number, since it is larger than the sum of its proper divisors (18530978).

25797982 is a wasteful number, since it uses less digits than its factorization.

25797982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4335.

The product of its digits is 635040, while the sum is 49.

The square root of 25797982 is about 5079.1713891146. The cubic root of 25797982 is about 295.4803320997.

The spelling of 25797982 in words is "twenty-five million, seven hundred ninety-seven thousand, nine hundred eighty-two".