255626311 has 2 divisors, whose sum is σ = 255626312. Its totient is φ = 255626310.

The previous prime is 255626249. The next prime is 255626321. The reversal of 255626311 is 113626552.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 255626311 - 2¹¹ = 255624263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255626321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127813155 + 127813156.

It is an arithmetic number, because the mean of its divisors is an integer number (127813156).

Almost surely, 2^255626311 is an apocalyptic number.

255626311 is a deficient number, since it is larger than the sum of its proper divisors (1).

255626311 is an equidigital number, since it uses as much as digits as its factorization.

255626311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10800, while the sum is 31.

The square root of 255626311 is about 15988.3179540563. The cubic root of 255626311 is about 634.6513149649.

The spelling of 255626311 in words is "two hundred fifty-five million, six hundred twenty-six thousand, three hundred eleven".