25497982 has 16 divisors (see below), whose sum is σ = 39925872. Its totient is φ = 12201280.

The previous prime is 25497973. The next prime is 25497991. The reversal of 25497982 is 28979452.

It is an interprime number because it is at equal distance from previous prime (25497973) and next prime (25497991).

It is a congruent number.

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, 1413 + ... + 7279.

It is an arithmetic number, because the mean of its divisors is an integer number (2495367).

Almost surely, 2^25497982 is an apocalyptic number.

25497982 is a deficient number, since it is larger than the sum of its proper divisors (14427890).

25497982 is a wasteful number, since it uses less digits than its factorization.

25497982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5963.

The product of its digits is 362880, while the sum is 46.

The square root of 25497982 is about 5049.5526534536. The cubic root of 25497982 is about 294.3305012652.

The spelling of 25497982 in words is "twenty-five million, four hundred ninety-seven thousand, nine hundred eighty-two".