25504823 has 8 divisors (see below), whose sum is σ = 26148720. Its totient is φ = 24868800.

The previous prime is 25504793. The next prime is 25504837. The reversal of 25504823 is 32840552.

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 25504823 - 2¹⁶ = 25439287 is a prime.

It is a super-2 number, since 2×25504823² = 1300991992522658, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25504873) 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, 4883 + ... + 8651.

It is an arithmetic number, because the mean of its divisors is an integer number (3268590).

Almost surely, 2^25504823 is an apocalyptic number.

25504823 is a deficient number, since it is larger than the sum of its proper divisors (643897).

25504823 is a wasteful number, since it uses less digits than its factorization.

25504823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3937.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 25504823 is about 5050.2299947626. The cubic root of 25504823 is about 294.3568214516.

The spelling of 25504823 in words is "twenty-five million, five hundred four thousand, eight hundred twenty-three".