25493568 has 84 divisors (see below), whose sum is σ = 70792848. Its totient is φ = 8096000.

The previous prime is 25493561. The next prime is 25493569. The reversal of 25493568 is 86539452.

It is not an unprimeable number, because it can be changed into a prime (25493561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101443 + ... + 101693.

It is an arithmetic number, because the mean of its divisors is an integer number (842772).

Almost surely, 2^25493568 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 25493568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35396424).

25493568 is an abundant number, since it is smaller than the sum of its proper divisors (45299280).

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

25493568 is a wasteful number, since it uses less digits than its factorization.

25493568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312 (or 279 counting only the distinct ones).

The product of its digits is 259200, while the sum is 42.

The square root of 25493568 is about 5049.1155661165. The cubic root of 25493568 is about 294.3135162635.

The spelling of 25493568 in words is "twenty-five million, four hundred ninety-three thousand, five hundred sixty-eight".