101716217 has 2 divisors, whose sum is σ = 101716218. Its totient is φ = 101716216.

The previous prime is 101716207. The next prime is 101716243. The reversal of 101716217 is 712617101.

It is an a-pointer prime, because the next prime (101716243) can be obtained adding 101716217 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78570496 + 23145721 = 8864^2 + 4811^2 .

It is a cyclic number.

It is not a de Polignac number, because 101716217 - 2⁴ = 101716201 is a prime.

It is not a weakly prime, because it can be changed into another prime (101716207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50858108 + 50858109.

It is an arithmetic number, because the mean of its divisors is an integer number (50858109).

Almost surely, 2^101716217 is an apocalyptic number.

It is an amenable number.

101716217 is a deficient number, since it is larger than the sum of its proper divisors (1).

101716217 is an equidigital number, since it uses as much as digits as its factorization.

101716217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 588, while the sum is 26.

The square root of 101716217 is about 10085.4458007567. The cubic root of 101716217 is about 466.7991607353.

The spelling of 101716217 in words is "one hundred one million, seven hundred sixteen thousand, two hundred seventeen".