25223 has 4 divisors (see below), whose sum is σ = 27528. Its totient is φ = 22920.

The previous prime is 25219. The next prime is 25229. The reversal of 25223 is 32252.

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 25223 - 2² = 25219 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 25198 and 25207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1136 + ... + 1157.

It is an arithmetic number, because the mean of its divisors is an integer number (6882).

2²⁵²²³ is an apocalyptic number.

25223 is a deficient number, since it is larger than the sum of its proper divisors (2305).

25223 is a wasteful number, since it uses less digits than its factorization.

25223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2304.

The product of its digits is 120, while the sum is 14.

The square root of 25223 is about 158.8175053324. The cubic root of 25223 is about 29.3268609457.

Adding to 25223 its reverse (32252), we get a palindrome (57475).

It can be divided in two parts, 2 and 5223, that added together give a palindrome (5225).

The spelling of 25223 in words is "twenty-five thousand, two hundred twenty-three".