25897152 has 112 divisors (see below), whose sum is σ = 74777600. Its totient is φ = 7879680.

The previous prime is 25897147. The next prime is 25897153. The reversal of 25897152 is 25179852.

It is a super-2 number, since 2×25897152² = 1341324963422208, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25897152.

It is not an unprimeable number, because it can be changed into a prime (25897153) 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, 112974 + ... + 113202.

Almost surely, 2^25897152 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 25897152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37388800).

25897152 is an abundant number, since it is smaller than the sum of its proper divisors (48880448).

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

25897152 is a wasteful number, since it uses less digits than its factorization.

25897152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294 (or 284 counting only the distinct ones).

The product of its digits is 50400, while the sum is 39.

The square root of 25897152 is about 5088.9244443202. The cubic root of 25897152 is about 295.8584665459.

The spelling of 25897152 in words is "twenty-five million, eight hundred ninety-seven thousand, one hundred fifty-two".