25923189 has 4 divisors (see below), whose sum is σ = 34564256. Its totient is φ = 17282124.

The previous prime is 25923151. The next prime is 25923229. The reversal of 25923189 is 98132952.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 25923189 - 2⁷ = 25923061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25923089) 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, 4320529 + ... + 4320534.

It is an arithmetic number, because the mean of its divisors is an integer number (8641064).

Almost surely, 2^25923189 is an apocalyptic number.

It is an amenable number.

25923189 is a deficient number, since it is larger than the sum of its proper divisors (8641067).

25923189 is an equidigital number, since it uses as much as digits as its factorization.

25923189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8641066.

The product of its digits is 38880, while the sum is 39.

The square root of 25923189 is about 5091.4820042891. The cubic root of 25923189 is about 295.9575853823.

The spelling of 25923189 in words is "twenty-five million, nine hundred twenty-three thousand, one hundred eighty-nine".