225859 has 2 divisors, whose sum is σ = 225860. Its totient is φ = 225858.

The previous prime is 225839. The next prime is 225871. The reversal of 225859 is 958522.

It is a happy number.

225859 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 225859 - 2⁹ = 225347 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 225859.

It is not a weakly prime, because it can be changed into another prime (225809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112929 + 112930.

It is an arithmetic number, because the mean of its divisors is an integer number (112930).

2²²⁵⁸⁵⁹ is an apocalyptic number.

225859 is a deficient number, since it is larger than the sum of its proper divisors (1).

225859 is an equidigital number, since it uses as much as digits as its factorization.

225859 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7200, while the sum is 31.

The square root of 225859 is about 475.2462519579. The cubic root of 225859 is about 60.8993233154.

The spelling of 225859 in words is "two hundred twenty-five thousand, eight hundred fifty-nine".