255009017 has 4 divisors (see below), whose sum is σ = 255073680. Its totient is φ = 254944356.

The previous prime is 255009011. The next prime is 255009071. The reversal of 255009017 is 710900552.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 255009017 - 2²⁴ = 238231801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255009011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26003 + ... + 34440.

It is an arithmetic number, because the mean of its divisors is an integer number (63768420).

Almost surely, 2^255009017 is an apocalyptic number.

It is an amenable number.

255009017 is a deficient number, since it is larger than the sum of its proper divisors (64663).

255009017 is an equidigital number, since it uses as much as digits as its factorization.

255009017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64662.

The product of its (nonzero) digits is 3150, while the sum is 29.

The square root of 255009017 is about 15969.0017533971. The cubic root of 255009017 is about 634.1400449254.

Adding to 255009017 its reverse (710900552), we get a palindrome (965909569).

The spelling of 255009017 in words is "two hundred fifty-five million, nine thousand, seventeen".