225759 has 4 divisors (see below), whose sum is σ = 301016. Its totient is φ = 150504.

The previous prime is 225751. The next prime is 225767. The reversal of 225759 is 957522.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (225751) and next prime (225767).

It is not a de Polignac number, because 225759 - 2³ = 225751 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 225759.

It is not an unprimeable number, because it can be changed into a prime (225751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37624 + ... + 37629.

It is an arithmetic number, because the mean of its divisors is an integer number (75254).

2²²⁵⁷⁵⁹ is an apocalyptic number.

225759 is a deficient number, since it is larger than the sum of its proper divisors (75257).

225759 is an equidigital number, since it uses as much as digits as its factorization.

225759 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75256.

The product of its digits is 6300, while the sum is 30.

The square root of 225759 is about 475.1410316948. The cubic root of 225759 is about 60.8903341801.

The spelling of 225759 in words is "two hundred twenty-five thousand, seven hundred fifty-nine".