25392982 has 4 divisors (see below), whose sum is σ = 38089476. Its totient is φ = 12696490.

The previous prime is 25392959. The next prime is 25393001. The reversal of 25392982 is 28929352.

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 an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6348244 + ... + 6348247.

It is an arithmetic number, because the mean of its divisors is an integer number (9522369).

Almost surely, 2^25392982 is an apocalyptic number.

25392982 is a deficient number, since it is larger than the sum of its proper divisors (12696494).

25392982 is a wasteful number, since it uses less digits than its factorization.

25392982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12696493.

The product of its digits is 77760, while the sum is 40.

The square root of 25392982 is about 5039.1449671546. The cubic root of 25392982 is about 293.9259304051.

The spelling of 25392982 in words is "twenty-five million, three hundred ninety-two thousand, nine hundred eighty-two".