25217368 has 48 divisors (see below), whose sum is σ = 52668000. Its totient is φ = 11309760.

The previous prime is 25217323. The next prime is 25217371. The reversal of 25217368 is 86371252.

It is a happy number.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 105393 + ... + 105631.

It is an arithmetic number, because the mean of its divisors is an integer number (1097250).

Almost surely, 2^25217368 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 25217368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26334000).

25217368 is an abundant number, since it is smaller than the sum of its proper divisors (27450632).

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

25217368 is a wasteful number, since it uses less digits than its factorization.

25217368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376 (or 361 counting only the distinct ones).

The product of its digits is 20160, while the sum is 34.

The square root of 25217368 is about 5021.6897554508. The cubic root of 25217368 is about 293.2467800189.

It can be divided in two parts, 2521736 and 8, that added together give a square (2521744 = 1588²).

The spelling of 25217368 in words is "twenty-five million, two hundred seventeen thousand, three hundred sixty-eight".