25634423 has 8 divisors (see below), whose sum is σ = 25900800. Its totient is φ = 25369848.

The previous prime is 25634417. The next prime is 25634431. The reversal of 25634423 is 32443652.

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 25634423 - 2⁶ = 25634359 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 (25634123) 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, 67448 + ... + 67826.

It is an arithmetic number, because the mean of its divisors is an integer number (3237600).

Almost surely, 2^25634423 is an apocalyptic number.

25634423 is a deficient number, since it is larger than the sum of its proper divisors (266377).

25634423 is a wasteful number, since it uses less digits than its factorization.

25634423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 901.

The product of its digits is 17280, while the sum is 29.

The square root of 25634423 is about 5063.0448348795. The cubic root of 25634423 is about 294.8545601183.

The spelling of 25634423 in words is "twenty-five million, six hundred thirty-four thousand, four hundred twenty-three".