25274984 has 64 divisors (see below), whose sum is σ = 56544000. Its totient is φ = 10584000.

The previous prime is 25274981. The next prime is 25275001. The reversal of 25274984 is 48947252.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25274981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 167309 + ... + 167459.

It is an arithmetic number, because the mean of its divisors is an integer number (883500).

Almost surely, 2^25274984 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25274984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28272000).

25274984 is an abundant number, since it is smaller than the sum of its proper divisors (31269016).

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

25274984 is a wasteful number, since it uses less digits than its factorization.

25274984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239 (or 221 counting only the distinct ones).

The product of its digits is 161280, while the sum is 41.

The square root of 25274984 is about 5027.4231968276. The cubic root of 25274984 is about 293.4699444026.

The spelling of 25274984 in words is "twenty-five million, two hundred seventy-four thousand, nine hundred eighty-four".