25426984 has 32 divisors (see below), whose sum is σ = 52244640. Its totient is φ = 11505600.

The previous prime is 25426981. The next prime is 25426991. The reversal of 25426984 is 48962452.

It is not an unprimeable number, because it can be changed into a prime (25426981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24394 + ... + 25414.

It is an arithmetic number, because the mean of its divisors is an integer number (1632645).

Almost surely, 2^25426984 is an apocalyptic number.

It is an amenable number.

25426984 is an abundant number, since it is smaller than the sum of its proper divisors (26817656).

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

25426984 is a wasteful number, since it uses less digits than its factorization.

25426984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1321 (or 1317 counting only the distinct ones).

The product of its digits is 138240, while the sum is 40.

The square root of 25426984 is about 5042.5176251551. The cubic root of 25426984 is about 294.0570639077.

The spelling of 25426984 in words is "twenty-five million, four hundred twenty-six thousand, nine hundred eighty-four".