25616576 has 28 divisors (see below), whose sum is σ = 51538632. Its totient is φ = 12630528.

The previous prime is 25616573. The next prime is 25616597. The reversal of 25616576 is 67561652.

It is not an unprimeable number, because it can be changed into a prime (25616573) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1931 + ... + 7413.

Almost surely, 2^25616576 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 25616576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25769316).

25616576 is an abundant number, since it is smaller than the sum of its proper divisors (25922056).

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

25616576 is an equidigital number, since it uses as much as digits as its factorization.

25616576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5568 (or 5558 counting only the distinct ones).

The product of its digits is 75600, while the sum is 38.

The square root of 25616576 is about 5061.2820510223. The cubic root of 25616576 is about 294.7861171107.

The spelling of 25616576 in words is "twenty-five million, six hundred sixteen thousand, five hundred seventy-six".