25902416 has 40 divisors (see below), whose sum is σ = 53300160. Its totient is φ = 12167936.

The previous prime is 25902413. The next prime is 25902421. The reversal of 25902416 is 61420952.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25902413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21116 + ... + 22308.

It is an arithmetic number, because the mean of its divisors is an integer number (1332504).

Almost surely, 2^25902416 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 25902416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26650080).

25902416 is an abundant number, since it is smaller than the sum of its proper divisors (27397744).

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

25902416 is a wasteful number, since it uses less digits than its factorization.

25902416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1283 (or 1277 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 25902416 is about 5089.4416196671. The cubic root of 25902416 is about 295.8785111369.

The spelling of 25902416 in words is "twenty-five million, nine hundred two thousand, four hundred sixteen".