208116017 has 2 divisors, whose sum is σ = 208116018. Its totient is φ = 208116016.

The previous prime is 208115993. The next prime is 208116031. The reversal of 208116017 is 710611802.

208116017 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 166693921 + 41422096 = 12911^2 + 6436^2 .

It is a cyclic number.

It is not a de Polignac number, because 208116017 - 2¹⁶ = 208050481 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (208116037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 104058008 + 104058009.

It is an arithmetic number, because the mean of its divisors is an integer number (104058009).

Almost surely, 2^208116017 is an apocalyptic number.

It is an amenable number.

208116017 is a deficient number, since it is larger than the sum of its proper divisors (1).

208116017 is an equidigital number, since it uses as much as digits as its factorization.

208116017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 26.

The square root of 208116017 is about 14426.2267069390. The cubic root of 208116017 is about 592.6093534327.

Adding to 208116017 its reverse (710611802), we get a palindrome (918727819).

The spelling of 208116017 in words is "two hundred eight million, one hundred sixteen thousand, seventeen".