25256672 has 48 divisors (see below), whose sum is σ = 58060800. Its totient is φ = 10589568.

The previous prime is 25256659. The next prime is 25256677. The reversal of 25256672 is 27665252.

It is a super-3 number, since 3×25256672³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25256677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9329 + ... + 11727.

It is an arithmetic number, because the mean of its divisors is an integer number (1209600).

Almost surely, 2^25256672 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 25256672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29030400).

25256672 is an abundant number, since it is smaller than the sum of its proper divisors (32804128).

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

25256672 is a wasteful number, since it uses less digits than its factorization.

25256672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2463 (or 2455 counting only the distinct ones).

The product of its digits is 50400, while the sum is 35.

The square root of 25256672 is about 5025.6016555234. The cubic root of 25256672 is about 293.3990532269.

The spelling of 25256672 in words is "twenty-five million, two hundred fifty-six thousand, six hundred seventy-two".