25383320 has 64 divisors (see below), whose sum is σ = 59192640. Its totient is φ = 9792000.

The previous prime is 25383313. The next prime is 25383331. The reversal of 25383320 is 2338352.

It is a self number, because there is not a number n which added to its sum of digits gives 25383320.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 246389 + ... + 246491.

It is an arithmetic number, because the mean of its divisors is an integer number (924885).

Almost surely, 2^25383320 is an apocalyptic number.

25383320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25383320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29596320).

25383320 is an abundant number, since it is smaller than the sum of its proper divisors (33809320).

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

25383320 is a wasteful number, since it uses less digits than its factorization.

25383320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276 (or 272 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 25383320 is about 5038.1861815538. The cubic root of 25383320 is about 293.8886461847. Note that the first 3 decimals are identical.

The spelling of 25383320 in words is "twenty-five million, three hundred eighty-three thousand, three hundred twenty".