25585223 has 8 divisors (see below), whose sum is σ = 27097728. Its totient is φ = 24106104.

The previous prime is 25585211. The next prime is 25585247. The reversal of 25585223 is 32258552.

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 25585223 - 2⁴ = 25585207 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25585223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25585253) 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, 6761 + ... + 9842.

It is an arithmetic number, because the mean of its divisors is an integer number (3387216).

Almost surely, 2^25585223 is an apocalyptic number.

25585223 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

25585223 is a deficient number, since it is larger than the sum of its proper divisors (1512505).

25585223 is a wasteful number, since it uses less digits than its factorization.

25585223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16693.

The product of its digits is 24000, while the sum is 32.

The square root of 25585223 is about 5058.1837649496. The cubic root of 25585223 is about 294.6658017544.

The spelling of 25585223 in words is "twenty-five million, five hundred eighty-five thousand, two hundred twenty-three".