25390923 has 8 divisors (see below), whose sum is σ = 34360128. Its totient is φ = 16674504.

The previous prime is 25390913. The next prime is 25390943. The reversal of 25390923 is 32909352.

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

It is not a de Polignac number, because 25390923 - 2⁴ = 25390907 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (25390903) 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, 62961 + ... + 63362.

It is an arithmetic number, because the mean of its divisors is an integer number (4295016).

Almost surely, 2^25390923 is an apocalyptic number.

25390923 is a deficient number, since it is larger than the sum of its proper divisors (8969205).

25390923 is a wasteful number, since it uses less digits than its factorization.

25390923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126393.

The product of its (nonzero) digits is 14580, while the sum is 33.

The square root of 25390923 is about 5038.9406624806. The cubic root of 25390923 is about 293.9179858235.

The spelling of 25390923 in words is "twenty-five million, three hundred ninety thousand, nine hundred twenty-three".