10217917 has 2 divisors, whose sum is σ = 10217918. Its totient is φ = 10217916.

The previous prime is 10217873. The next prime is 10217971. The reversal of 10217917 is 71971201.

Together with next prime (10217971) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10074276 + 143641 = 3174^2 + 379^2 .

It is an emirp because it is prime and its reverse (71971201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10217917 - 2¹¹ = 10215869 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 (10214917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5108958 + 5108959.

It is an arithmetic number, because the mean of its divisors is an integer number (5108959).

Almost surely, 2^10217917 is an apocalyptic number.

It is an amenable number.

10217917 is a deficient number, since it is larger than the sum of its proper divisors (1).

10217917 is an equidigital number, since it uses as much as digits as its factorization.

10217917 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 882, while the sum is 28.

The square root of 10217917 is about 3196.5476689704. The cubic root of 10217917 is about 216.9971967613.

The spelling of 10217917 in words is "ten million, two hundred seventeen thousand, nine hundred seventeen".