25542984 has 32 divisors (see below), whose sum is σ = 64249920. Its totient is φ = 8462016.

The previous prime is 25542983. The next prime is 25543019. The reversal of 25542984 is 48924552.

It is not an unprimeable number, because it can be changed into a prime (25542983) 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, 822 + ... + 7194.

It is an arithmetic number, because the mean of its divisors is an integer number (2007810).

Almost surely, 2^25542984 is an apocalyptic number.

25542984 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

25542984 is an abundant number, since it is smaller than the sum of its proper divisors (38706936).

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

25542984 is a wasteful number, since it uses less digits than its factorization.

25542984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6549 (or 6545 counting only the distinct ones).

The product of its digits is 115200, while the sum is 39.

The square root of 25542984 is about 5054.0067273402. The cubic root of 25542984 is about 294.5035564824.

The spelling of 25542984 in words is "twenty-five million, five hundred forty-two thousand, nine hundred eighty-four".