25681096 has 48 divisors (see below), whose sum is σ = 56471040. Its totient is φ = 10948560.

The previous prime is 25681091. The next prime is 25681099. The reversal of 25681096 is 69018652.

It is a super-2 number, since 2×25681096² = 1319037383522432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25681091) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 134361 + ... + 134551.

It is an arithmetic number, because the mean of its divisors is an integer number (1176480).

Almost surely, 2^25681096 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 25681096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28235520).

25681096 is an abundant number, since it is smaller than the sum of its proper divisors (30789944).

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

25681096 is an frugal number, since it uses more digits than its factorization.

25681096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232 (or 200 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 25681096 is about 5067.6519217484. The cubic root of 25681096 is about 295.0334004124.

The spelling of 25681096 in words is "twenty-five million, six hundred eighty-one thousand, ninety-six".