225783 has 6 divisors (see below), whose sum is σ = 326144. Its totient is φ = 150516.

The previous prime is 225781. The next prime is 225809. The reversal of 225783 is 387522.

It is not a de Polignac number, because 225783 - 2¹ = 225781 is a prime.

It is a Duffinian number.

225783 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225781) 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 5 ways as a sum of consecutive naturals, for example, 12535 + ... + 12552.

2²²⁵⁷⁸³ is an apocalyptic number.

225783 is a deficient number, since it is larger than the sum of its proper divisors (100361).

225783 is a wasteful number, since it uses less digits than its factorization.

225783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25093 (or 25090 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 225783 is about 475.1662866829. The cubic root of 225783 is about 60.8924918146.

The spelling of 225783 in words is "two hundred twenty-five thousand, seven hundred eighty-three".