214109717 has 2 divisors, whose sum is σ = 214109718. Its totient is φ = 214109716.

The previous prime is 214109711. The next prime is 214109729. The reversal of 214109717 is 717901412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 142301041 + 71808676 = 11929^2 + 8474^2 .

It is a cyclic number.

It is not a de Polignac number, because 214109717 - 2¹² = 214105621 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214109711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107054858 + 107054859.

It is an arithmetic number, because the mean of its divisors is an integer number (107054859).

Almost surely, 2^214109717 is an apocalyptic number.

It is an amenable number.

214109717 is a deficient number, since it is larger than the sum of its proper divisors (1).

214109717 is an equidigital number, since it uses as much as digits as its factorization.

214109717 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3528, while the sum is 32.

The square root of 214109717 is about 14632.4884076496. The cubic root of 214109717 is about 598.2446072988.

The spelling of 214109717 in words is "two hundred fourteen million, one hundred nine thousand, seven hundred seventeen".