255600233 has 4 divisors (see below), whose sum is σ = 292114560. Its totient is φ = 219085908.

The previous prime is 255600227. The next prime is 255600259. The reversal of 255600233 is 332006552.

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 255600233 - 2¹⁸ = 255338089 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (255600263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18257153 + ... + 18257166.

It is an arithmetic number, because the mean of its divisors is an integer number (73028640).

Almost surely, 2^255600233 is an apocalyptic number.

It is an amenable number.

255600233 is a deficient number, since it is larger than the sum of its proper divisors (36514327).

255600233 is an equidigital number, since it uses as much as digits as its factorization.

255600233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36514326.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 255600233 is about 15987.5024003126. The cubic root of 255600233 is about 634.6297326797.

Adding to 255600233 its reverse (332006552), we get a palindrome (587606785).

The spelling of 255600233 in words is "two hundred fifty-five million, six hundred thousand, two hundred thirty-three".