25504423 has 8 divisors (see below), whose sum is σ = 29263392. Its totient is φ = 21774336.

The previous prime is 25504411. The next prime is 25504459. The reversal of 25504423 is 32440552.

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 25504423 - 2¹⁷ = 25373351 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 (25504223) 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, 5290 + ... + 8887.

It is an arithmetic number, because the mean of its divisors is an integer number (3657924).

Almost surely, 2^25504423 is an apocalyptic number.

25504423 is a deficient number, since it is larger than the sum of its proper divisors (3758969).

25504423 is a wasteful number, since it uses less digits than its factorization.

25504423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14441.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 25504423 is about 5050.1903924506. The cubic root of 25504423 is about 294.3552826139.

Adding to 25504423 its reverse (32440552), we get a palindrome (57944975).

The spelling of 25504423 in words is "twenty-five million, five hundred four thousand, four hundred twenty-three".