2017217071 has 2 divisors, whose sum is σ = 2017217072. Its totient is φ = 2017217070.

The previous prime is 2017217063. The next prime is 2017217077. The reversal of 2017217071 is 1707127102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2017217071 - 2³ = 2017217063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2017217077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1008608535 + 1008608536.

It is an arithmetic number, because the mean of its divisors is an integer number (1008608536).

Almost surely, 2^2017217071 is an apocalyptic number.

2017217071 is a deficient number, since it is larger than the sum of its proper divisors (1).

2017217071 is an equidigital number, since it uses as much as digits as its factorization.

2017217071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1372, while the sum is 28.

The square root of 2017217071 is about 44913.4397591634. The cubic root of 2017217071 is about 1263.5260832754.

The spelling of 2017217071 in words is "two billion, seventeen million, two hundred seventeen thousand, seventy-one".