255133243 has 2 divisors, whose sum is σ = 255133244. Its totient is φ = 255133242.

The previous prime is 255133237. The next prime is 255133259. The reversal of 255133243 is 342331552.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-255133243 is a prime.

It is not a weakly prime, because it can be changed into another prime (255137243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127566621 + 127566622.

It is an arithmetic number, because the mean of its divisors is an integer number (127566622).

Almost surely, 2^255133243 is an apocalyptic number.

255133243 is a deficient number, since it is larger than the sum of its proper divisors (1).

255133243 is an equidigital number, since it uses as much as digits as its factorization.

255133243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10800, while the sum is 28.

The square root of 255133243 is about 15972.8908779845. The cubic root of 255133243 is about 634.2430006219.

Adding to 255133243 its reverse (342331552), we get a palindrome (597464795).

The spelling of 255133243 in words is "two hundred fifty-five million, one hundred thirty-three thousand, two hundred forty-three".