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103217 is a prime number

103217 has 2 divisors, whose sum is σ = 103218. Its totient is φ = 103216.

The previous prime is 103183. The next prime is 103231. The reversal of 103217 is 712301.

Adding to 103217 its reverse (712301), we get a palindrome (815518).

It is an a-pointer prime, because the next prime (103231) can be obtained adding 103217 to its sum of digits (14).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59536 + 43681 = 244^2 + 209^2 .

It is an emirp because it is prime and its reverse (712301) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-103217 is a prime.

It is a Chen prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 103217.

It is not a weakly prime, because it can be changed into another prime (103237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51608 + 51609.

It is an arithmetic number, because the mean of its divisors is an integer number (51609).

2103217 is an apocalyptic number.

It is an amenable number.

103217 is a deficient number, since it is larger than the sum of its proper divisors (1).

103217 is an equidigital number, since it uses as much as digits as its factorization.

103217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42, while the sum is 14.

The square root of 103217 is about 321.2740263389. The cubic root of 103217 is about 46.9083774131.

The spelling of 103217 in words is "one hundred three thousand, two hundred seventeen", and thus it is an iban number.