25365982 has 4 divisors (see below), whose sum is σ = 38048976. Its totient is φ = 12682990.

The previous prime is 25365943. The next prime is 25365983. The reversal of 25365982 is 28956352.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25365983) by changing a digit.

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 as a sum of consecutive naturals, namely, 6341494 + ... + 6341497.

It is an arithmetic number, because the mean of its divisors is an integer number (9512244).

Almost surely, 2^25365982 is an apocalyptic number.

25365982 is a deficient number, since it is larger than the sum of its proper divisors (12682994).

25365982 is a wasteful number, since it uses less digits than its factorization.

25365982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12682993.

The product of its digits is 129600, while the sum is 40.

The square root of 25365982 is about 5036.4652287095. The cubic root of 25365982 is about 293.8217176935.

The spelling of 25365982 in words is "twenty-five million, three hundred sixty-five thousand, nine hundred eighty-two".