25711896 has 64 divisors (see below), whose sum is σ = 75847680. Its totient is φ = 7107840.

The previous prime is 25711831. The next prime is 25711937. The reversal of 25711896 is 69811752.

It is a super-2 number, since 2×25711896² = 1322203191829632, which contains 22 as substring.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2740 + ... + 7676.

It is an arithmetic number, because the mean of its divisors is an integer number (1185120).

Almost surely, 2^25711896 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 25711896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37923840).

25711896 is an abundant number, since it is smaller than the sum of its proper divisors (50135784).

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

25711896 is a wasteful number, since it uses less digits than its factorization.

25711896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4984 (or 4980 counting only the distinct ones).

The product of its digits is 30240, while the sum is 39.

The square root of 25711896 is about 5070.6898938902. The cubic root of 25711896 is about 295.1513003440.

The spelling of 25711896 in words is "twenty-five million, seven hundred eleven thousand, eight hundred ninety-six".