25375616 has 64 divisors (see below), whose sum is σ = 58490880. Its totient is φ = 10741248.

The previous prime is 25375607. The next prime is 25375631. The reversal of 25375616 is 61657352.

It is a tau number, because it is divible by the number of its divisors (64).

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113681 + ... + 113903.

It is an arithmetic number, because the mean of its divisors is an integer number (913920).

Almost surely, 2^25375616 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 25375616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29245440).

25375616 is an abundant number, since it is smaller than the sum of its proper divisors (33115264).

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

25375616 is a wasteful number, since it uses less digits than its factorization.

25375616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371 (or 359 counting only the distinct ones).

The product of its digits is 37800, while the sum is 35.

The square root of 25375616 is about 5037.4215626648. The cubic root of 25375616 is about 293.8589108148.

The spelling of 25375616 in words is "twenty-five million, three hundred seventy-five thousand, six hundred sixteen".