25560984 has 16 divisors (see below), whose sum is σ = 63902520. Its totient is φ = 8520320.

The previous prime is 25560971. The next prime is 25560989. The reversal of 25560984 is 48906552.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25560989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 532497 + ... + 532544.

Almost surely, 2^25560984 is an apocalyptic number.

25560984 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

25560984 is an abundant number, since it is smaller than the sum of its proper divisors (38341536).

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

25560984 is a wasteful number, since it uses less digits than its factorization.

25560984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065050 (or 1065046 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 39.

The square root of 25560984 is about 5055.7871790652. The cubic root of 25560984 is about 294.5727185831.

The spelling of 25560984 in words is "twenty-five million, five hundred sixty thousand, nine hundred eighty-four".