25961562 has 96 divisors (see below), whose sum is σ = 66193920. Its totient is φ = 7270560.

The previous prime is 25961521. The next prime is 25961563. The reversal of 25961562 is 26516952.

25961562 is a `hidden beast` number, since 2 + 5 + 96 + 1 + 562 = 666.

It is not an unprimeable number, because it can be changed into a prime (25961563) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 252003 + ... + 252105.

It is an arithmetic number, because the mean of its divisors is an integer number (689520).

Almost surely, 2^25961562 is an apocalyptic number.

25961562 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 25961562, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33096960).

25961562 is an abundant number, since it is smaller than the sum of its proper divisors (40232358).

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

25961562 is a wasteful number, since it uses less digits than its factorization.

25961562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208 (or 205 counting only the distinct ones).

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

The square root of 25961562 is about 5095.2489634953. The cubic root of 25961562 is about 296.1035445513.

The spelling of 25961562 in words is "twenty-five million, nine hundred sixty-one thousand, five hundred sixty-two".