25672223 has 4 divisors (see below), whose sum is σ = 25700280. Its totient is φ = 25644168.

The previous prime is 25672217. The next prime is 25672243. The reversal of 25672223 is 32227652.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25672223 - 2²⁰ = 24623647 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 (25672243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12608 + ... + 14501.

It is an arithmetic number, because the mean of its divisors is an integer number (6425070).

Almost surely, 2^25672223 is an apocalyptic number.

25672223 is a deficient number, since it is larger than the sum of its proper divisors (28057).

25672223 is an equidigital number, since it uses as much as digits as its factorization.

25672223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28056.

The product of its digits is 10080, while the sum is 29.

The square root of 25672223 is about 5066.7763913558. The cubic root of 25672223 is about 294.9994177907. Note that the first 3 decimals are identical.

Adding to 25672223 its reverse (32227652), we get a palindrome (57899875).

The spelling of 25672223 in words is "twenty-five million, six hundred seventy-two thousand, two hundred twenty-three".