25982118 has 24 divisors (see below), whose sum is σ = 56569656. Its totient is φ = 8618400.

The previous prime is 25982113. The next prime is 25982141. The reversal of 25982118 is 81128952.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25982113) 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, 378 + ... + 7218.

It is an arithmetic number, because the mean of its divisors is an integer number (2357069).

Almost surely, 2^25982118 is an apocalyptic number.

25982118 is an abundant number, since it is smaller than the sum of its proper divisors (30587538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25982118 is a wasteful number, since it uses less digits than its factorization.

25982118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7060 (or 7057 counting only the distinct ones).

The product of its digits is 11520, while the sum is 36.

The square root of 25982118 is about 5097.2657376284. The cubic root of 25982118 is about 296.1816741429.

The spelling of 25982118 in words is "twenty-five million, nine hundred eighty-two thousand, one hundred eighteen".