25321896 has 80 divisors (see below), whose sum is σ = 74052000. Its totient is φ = 8068896.

The previous prime is 25321867. The next prime is 25321897. The reversal of 25321896 is 69812352.

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

It is a self number, because there is not a number n which added to its sum of digits gives 25321896.

It is not an unprimeable number, because it can be changed into a prime (25321897) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 14055 + ... + 15753.

It is an arithmetic number, because the mean of its divisors is an integer number (925650).

Almost surely, 2^25321896 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 25321896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37026000).

25321896 is an abundant number, since it is smaller than the sum of its proper divisors (48730104).

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

25321896 is a wasteful number, since it uses less digits than its factorization.

25321896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1740 (or 1727 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 25321896 is about 5032.0866447230. The cubic root of 25321896 is about 293.6513985651.

The spelling of 25321896 in words is "twenty-five million, three hundred twenty-one thousand, eight hundred ninety-six".