25442923 has 8 divisors (see below), whose sum is σ = 27800640. Its totient is φ = 23092680.

The previous prime is 25442891. The next prime is 25442927. The reversal of 25442923 is 32924452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25442923 - 2⁵ = 25442891 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (25442927) 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, 7188 + ... + 10126.

It is an arithmetic number, because the mean of its divisors is an integer number (3475080).

Almost surely, 2^25442923 is an apocalyptic number.

25442923 is a deficient number, since it is larger than the sum of its proper divisors (2357717).

25442923 is a wasteful number, since it uses less digits than its factorization.

25442923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3737.

The product of its digits is 17280, while the sum is 31.

The square root of 25442923 is about 5044.0978380678. The cubic root of 25442923 is about 294.1184946634.

It can be divided in two parts, 254429 and 23, that added together give a palindrome (254452).

The spelling of 25442923 in words is "twenty-five million, four hundred forty-two thousand, nine hundred twenty-three".