255051311 has 2 divisors, whose sum is σ = 255051312. Its totient is φ = 255051310.

The previous prime is 255051271. The next prime is 255051341. The reversal of 255051311 is 113150552.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-255051311 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255051341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127525655 + 127525656.

It is an arithmetic number, because the mean of its divisors is an integer number (127525656).

Almost surely, 2^255051311 is an apocalyptic number.

255051311 is a deficient number, since it is larger than the sum of its proper divisors (1).

255051311 is an equidigital number, since it uses as much as digits as its factorization.

255051311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 255051311 is about 15970.3259515891. The cubic root of 255051311 is about 634.1751009884.

The spelling of 255051311 in words is "two hundred fifty-five million, fifty-one thousand, three hundred eleven".