25383330 has 96 divisors (see below), whose sum is σ = 77261184. Its totient is φ = 5660928.

The previous prime is 25383313. The next prime is 25383331. The reversal of 25383330 is 3338352.

It is a happy number.

25383330 is a `hidden beast` number, since 253 + 83 + 330 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 25383294 and 25383303.

It is not an unprimeable number, because it can be changed into a prime (25383331) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26622 + ... + 27558.

It is an arithmetic number, because the mean of its divisors is an integer number (804804).

Almost surely, 2^25383330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25383330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38630592).

25383330 is an abundant number, since it is smaller than the sum of its proper divisors (51877854).

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

25383330 is a wasteful number, since it uses less digits than its factorization.

25383330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000 (or 997 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 25383330 is about 5038.1871739744. The cubic root of 25383330 is about 293.8886847781. Note that the first 3 decimals are identical.

The spelling of 25383330 in words is "twenty-five million, three hundred eighty-three thousand, three hundred thirty".