255369017 has 2 divisors, whose sum is σ = 255369018. Its totient is φ = 255369016.

The previous prime is 255369013. The next prime is 255369029. The reversal of 255369017 is 710963552.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 190550416 + 64818601 = 13804^2 + 8051^2 .

It is a cyclic number.

It is not a de Polignac number, because 255369017 - 2² = 255369013 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (255369013) 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, 127684508 + 127684509.

It is an arithmetic number, because the mean of its divisors is an integer number (127684509).

Almost surely, 2^255369017 is an apocalyptic number.

It is an amenable number.

255369017 is a deficient number, since it is larger than the sum of its proper divisors (1).

255369017 is an equidigital number, since it uses as much as digits as its factorization.

255369017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56700, while the sum is 38.

The square root of 255369017 is about 15980.2696159983. The cubic root of 255369017 is about 634.4383129057.

The spelling of 255369017 in words is "two hundred fifty-five million, three hundred sixty-nine thousand, seventeen".