25997283 has 12 divisors (see below), whose sum is σ = 40440400. Its totient is φ = 15998256.

The previous prime is 25997243. The next prime is 25997297. The reversal of 25997283 is 38279952.

It is not a de Polignac number, because 25997283 - 2⁹ = 25996771 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25997243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 110983 + ... + 111216.

Almost surely, 2^25997283 is an apocalyptic number.

25997283 is a deficient number, since it is larger than the sum of its proper divisors (14443117).

25997283 is a wasteful number, since it uses less digits than its factorization.

25997283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222218 (or 222215 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 25997283 is about 5098.7530828625. The cubic root of 25997283 is about 296.2392871200.

The spelling of 25997283 in words is "twenty-five million, nine hundred ninety-seven thousand, two hundred eighty-three".