25916 has 24 divisors (see below), whose sum is σ = 53760. Its totient is φ = 10800.

The previous prime is 25913. The next prime is 25919. The reversal of 25916 is 61952.

25916 is nontrivially palindromic in base 5.

It is an interprime number because it is at equal distance from previous prime (25913) and next prime (25919).

It is a nialpdrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 25891 and 25900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25913) 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, 821 + ... + 851.

It is an arithmetic number, because the mean of its divisors is an integer number (2240).

2²⁵⁹¹⁶ is an apocalyptic number.

It is an amenable number.

25916 is an abundant number, since it is smaller than the sum of its proper divisors (27844).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26880).

25916 is a wasteful number, since it uses less digits than its factorization.

25916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65 (or 63 counting only the distinct ones).

The product of its digits is 540, while the sum is 23.

The square root of 25916 is about 160.9844713008. The cubic root of 25916 is about 29.5930224605.

The spelling of 25916 in words is "twenty-five thousand, nine hundred sixteen".