17000071217 has 2 divisors, whose sum is σ = 17000071218. Its totient is φ = 17000071216.

The previous prime is 17000071201. The next prime is 17000071241. The reversal of 17000071217 is 71217000071.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15158288161 + 1841783056 = 123119^2 + 42916^2 .

It is a cyclic number.

It is not a de Polignac number, because 17000071217 - 2⁴ = 17000071201 is a prime.

It is a super-2 number, since 2×17000071217² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (17000071717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8500035608 + 8500035609.

It is an arithmetic number, because the mean of its divisors is an integer number (8500035609).

Almost surely, 2^17000071217 is an apocalyptic number.

It is an amenable number.

17000071217 is a deficient number, since it is larger than the sum of its proper divisors (1).

17000071217 is an equidigital number, since it uses as much as digits as its factorization.

17000071217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 686, while the sum is 26.

Adding to 17000071217 its reverse (71217000071), we get a palindrome (88217071288).

The spelling of 17000071217 in words is "seventeen billion, seventy-one thousand, two hundred seventeen".