25424568 has 96 divisors (see below), whose sum is σ = 77444640. Its totient is φ = 7476480.

The previous prime is 25424533. The next prime is 25424593. The reversal of 25424568 is 86542452.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20938 + ... + 22118.

It is an arithmetic number, because the mean of its divisors is an integer number (806715).

Almost surely, 2^25424568 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 25424568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38722320).

25424568 is an abundant number, since it is smaller than the sum of its proper divisors (52020072).

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

25424568 is a wasteful number, since it uses less digits than its factorization.

25424568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1229 (or 1222 counting only the distinct ones).

The product of its digits is 76800, while the sum is 36.

The square root of 25424568 is about 5042.2780565931. The cubic root of 25424568 is about 294.0477501229.

The spelling of 25424568 in words is "twenty-five million, four hundred twenty-four thousand, five hundred sixty-eight".