67217 has 2 divisors, whose sum is σ = 67218. Its totient is φ = 67216.

The previous prime is 67213. The next prime is 67219. The reversal of 67217 is 71276.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65536 + 1681 = 256^2 + 41^2 .

It is a cyclic number.

It is not a de Polignac number, because 67217 - 2² = 67213 is a prime.

Together with 67219, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 67192 and 67201.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 67217.

It is not a weakly prime, because it can be changed into another prime (67211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33608 + 33609.

It is an arithmetic number, because the mean of its divisors is an integer number (33609).

2⁶⁷²¹⁷ is an apocalyptic number.

It is an amenable number.

67217 is a deficient number, since it is larger than the sum of its proper divisors (1).

67217 is an equidigital number, since it uses as much as digits as its factorization.

67217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 588, while the sum is 23.

The square root of 67217 is about 259.2624153247. The cubic root of 67217 is about 40.6592823046.

The spelling of 67217 in words is "sixty-seven thousand, two hundred seventeen".