25423895 has 24 divisors (see below), whose sum is σ = 36369648. Its totient is φ = 17001600.

The previous prime is 25423861. The next prime is 25423897. The reversal of 25423895 is 59832452.

It is not a de Polignac number, because 25423895 - 2⁶ = 25423831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25423897) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8780 + ... + 11310.

It is an arithmetic number, because the mean of its divisors is an integer number (1515402).

Almost surely, 2^25423895 is an apocalyptic number.

25423895 is a deficient number, since it is larger than the sum of its proper divisors (10945753).

25423895 is a wasteful number, since it uses less digits than its factorization.

25423895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2591 (or 2584 counting only the distinct ones).

The product of its digits is 86400, while the sum is 38.

The square root of 25423895 is about 5042.2113204426. The cubic root of 25423895 is about 294.0451555736.

The spelling of 25423895 in words is "twenty-five million, four hundred twenty-three thousand, eight hundred ninety-five".