25379 has 4 divisors (see below), whose sum is σ = 26040. Its totient is φ = 24720.

The previous prime is 25373. The next prime is 25391. The reversal of 25379 is 97352.

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

It is a cyclic number.

It is not a de Polignac number, because 25379 - 2¹² = 21283 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 269 + ... + 350.

It is an arithmetic number, because the mean of its divisors is an integer number (6510).

2²⁵³⁷⁹ is an apocalyptic number.

25379 is a deficient number, since it is larger than the sum of its proper divisors (661).

25379 is an equidigital number, since it uses as much as digits as its factorization.

25379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660.

The product of its digits is 1890, while the sum is 26.

The square root of 25379 is about 159.3078780224. The cubic root of 25379 is about 29.3871972887.

It can be divided in two parts, 25 and 379, that added together give a palindrome (404).

The spelling of 25379 in words is "twenty-five thousand, three hundred seventy-nine".