25423163 has 4 divisors (see below), whose sum is σ = 25448808. Its totient is φ = 25397520.

The previous prime is 25423133. The next prime is 25423171. The reversal of 25423163 is 36132452.

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 25423163 - 2¹² = 25419067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25423103) 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, 11273 + ... + 13338.

It is an arithmetic number, because the mean of its divisors is an integer number (6362202).

Almost surely, 2^25423163 is an apocalyptic number.

25423163 is a deficient number, since it is larger than the sum of its proper divisors (25645).

25423163 is a wasteful number, since it uses less digits than its factorization.

25423163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25644.

The product of its digits is 4320, while the sum is 26.

The square root of 25423163 is about 5042.1387327205. The cubic root of 25423163 is about 294.0423335156.

The spelling of 25423163 in words is "twenty-five million, four hundred twenty-three thousand, one hundred sixty-three".