255433 has 4 divisors (see below), whose sum is σ = 257040. Its totient is φ = 253828.

The previous prime is 255419. The next prime is 255443. The reversal of 255433 is 334552.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 255433 - 2¹³ = 247241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 535 + ... + 892.

It is an arithmetic number, because the mean of its divisors is an integer number (64260).

2²⁵⁵⁴³³ is an apocalyptic number.

It is an amenable number.

255433 is a deficient number, since it is larger than the sum of its proper divisors (1607).

255433 is a wasteful number, since it uses less digits than its factorization.

255433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1606.

The product of its digits is 1800, while the sum is 22.

The square root of 255433 is about 505.4037989568. The cubic root of 255433 is about 63.4491294897.

Adding to 255433 its reverse (334552), we get a palindrome (589985).

The spelling of 255433 in words is "two hundred fifty-five thousand, four hundred thirty-three".