255270331 has 2 divisors, whose sum is σ = 255270332. Its totient is φ = 255270330.

The previous prime is 255270311. The next prime is 255270361. The reversal of 255270331 is 133072552.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 255270331 - 2¹⁹ = 254746043 is a prime.

It is a super-2 number, since 2×255270331² = 130325883777699122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 255270331.

It is not a weakly prime, because it can be changed into another prime (255270311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127635165 + 127635166.

It is an arithmetic number, because the mean of its divisors is an integer number (127635166).

Almost surely, 2^255270331 is an apocalyptic number.

255270331 is a deficient number, since it is larger than the sum of its proper divisors (1).

255270331 is an equidigital number, since it uses as much as digits as its factorization.

255270331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 255270331 is about 15977.1815724802. The cubic root of 255270331 is about 634.3565772708.

The spelling of 255270331 in words is "two hundred fifty-five million, two hundred seventy thousand, three hundred thirty-one".