255223 has 4 divisors (see below), whose sum is σ = 263488. Its totient is φ = 246960.
The previous prime is 255217. The next prime is 255239. The reversal of 255223 is 322552.
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 255223 - 25 = 255191 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 255223.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (255253) 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, 4086 + ... + 4147.
It is an arithmetic number, because the mean of its divisors is an integer number (65872).
2255223 is an apocalyptic number.
255223 is a deficient number, since it is larger than the sum of its proper divisors (8265).
255223 is an equidigital number, since it uses as much as digits as its factorization.
255223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8264.
The product of its digits is 600, while the sum is 19.
The square root of 255223 is about 505.1960015677. The cubic root of 255223 is about 63.4317368396.
Adding to 255223 its reverse (322552), we get a palindrome (577775).
It can be divided in two parts, 255 and 223, that multiplied together give a palindrome (56865).
The spelling of 255223 in words is "two hundred fifty-five thousand, two hundred twenty-three".
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