255330017 has 2 divisors, whose sum is σ = 255330018. Its totient is φ = 255330016.

The previous prime is 255330011. The next prime is 255330059. The reversal of 255330017 is 710033552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 253414561 + 1915456 = 15919^2 + 1384^2 .

It is a cyclic number.

It is not a de Polignac number, because 255330017 - 2⁸ = 255329761 is a prime.

It is not a weakly prime, because it can be changed into another prime (255330011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127665008 + 127665009.

It is an arithmetic number, because the mean of its divisors is an integer number (127665009).

Almost surely, 2^255330017 is an apocalyptic number.

It is an amenable number.

255330017 is a deficient number, since it is larger than the sum of its proper divisors (1).

255330017 is an equidigital number, since it uses as much as digits as its factorization.

255330017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3150, while the sum is 26.

The square root of 255330017 is about 15979.0493146495. The cubic root of 255330017 is about 634.4060140855.

Adding to 255330017 its reverse (710033552), we get a palindrome (965363569).

The spelling of 255330017 in words is "two hundred fifty-five million, three hundred thirty thousand, seventeen".