25383 has 4 divisors (see below), whose sum is σ = 33848. Its totient is φ = 16920.

The previous prime is 25373. The next prime is 25391. The reversal of 25383 is 38352.

25383 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 25383 - 2⁴ = 25367 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4228 + ... + 4233.

It is an arithmetic number, because the mean of its divisors is an integer number (8462).

2²⁵³⁸³ is an apocalyptic number.

25383 is a deficient number, since it is larger than the sum of its proper divisors (8465).

25383 is an equidigital number, since it uses as much as digits as its factorization.

25383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8464.

The product of its digits is 720, while the sum is 21.

The square root of 25383 is about 159.3204318347. The cubic root of 25383 is about 29.3887411190.

The spelling of 25383 in words is "twenty-five thousand, three hundred eighty-three".