25216608 has 48 divisors (see below), whose sum is σ = 66585456. Its totient is φ = 8355840.

The previous prime is 25216571. The next prime is 25216613. The reversal of 25216608 is 80661252.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-3 number, since 3×25216608³ (a number of 23 digits) contains 333 as substring.

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, 17848 + ... + 19208.

It is an arithmetic number, because the mean of its divisors is an integer number (1387197).

Almost surely, 2^25216608 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 25216608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33292728).

25216608 is an abundant number, since it is smaller than the sum of its proper divisors (41368848).

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

25216608 is a wasteful number, since it uses less digits than its factorization.

25216608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1567 (or 1559 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 25216608 is about 5021.6140831410. The cubic root of 25216608 is about 293.2438340362.

The spelling of 25216608 in words is "twenty-five million, two hundred sixteen thousand, six hundred eight".