1717216001 has 2 divisors, whose sum is σ = 1717216002. Its totient is φ = 1717216000.

The previous prime is 1717215979. The next prime is 1717216003. The reversal of 1717216001 is 1006127171.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1419480976 + 297735025 = 37676^2 + 17255^2 .

It is a cyclic number.

It is not a de Polignac number, because 1717216001 - 2⁶ = 1717215937 is a prime.

It is a Sophie Germain prime.

Together with 1717216003, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1717216003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 858608000 + 858608001.

It is an arithmetic number, because the mean of its divisors is an integer number (858608001).

Almost surely, 2^1717216001 is an apocalyptic number.

It is an amenable number.

1717216001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1717216001 is an equidigital number, since it uses as much as digits as its factorization.

1717216001 is an odious number, because the sum of its binary digits is odd.

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

The square root of 1717216001 is about 41439.3050255431. The cubic root of 1717216001 is about 1197.4984929440.

The spelling of 1717216001 in words is "one billion, seven hundred seventeen million, two hundred sixteen thousand, one".