25916562 has 48 divisors (see below), whose sum is σ = 65100672. Its totient is φ = 7297920.

The previous prime is 25916531. The next prime is 25916581. The reversal of 25916562 is 26561952.

25916562 is a `hidden beast` number, since 2 + 5 + 91 + 6 + 562 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7498 + ... + 10394.

It is an arithmetic number, because the mean of its divisors is an integer number (1356264).

Almost surely, 2^25916562 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25916562, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32550336).

25916562 is an abundant number, since it is smaller than the sum of its proper divisors (39184110).

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

25916562 is a wasteful number, since it uses less digits than its factorization.

25916562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2983 (or 2980 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 25916562 is about 5090.8311698582. The cubic root of 25916562 is about 295.9323637159.

The spelling of 25916562 in words is "twenty-five million, nine hundred sixteen thousand, five hundred sixty-two".