4164217 has 2 divisors, whose sum is σ = 4164218. Its totient is φ = 4164216.

The previous prime is 4164191. The next prime is 4164233. The reversal of 4164217 is 7124614.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3759721 + 404496 = 1939^2 + 636^2 .

It is a cyclic number.

It is not a de Polignac number, because 4164217 - 2¹⁹ = 3639929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4164191 and 4164200.

It is not a weakly prime, because it can be changed into another prime (4164317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2082108 + 2082109.

It is an arithmetic number, because the mean of its divisors is an integer number (2082109).

Almost surely, 2^4164217 is an apocalyptic number.

It is an amenable number.

4164217 is a deficient number, since it is larger than the sum of its proper divisors (1).

4164217 is an equidigital number, since it uses as much as digits as its factorization.

4164217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1344, while the sum is 25.

The square root of 4164217 is about 2040.6413207617. The cubic root of 4164217 is about 160.8833562234.

The spelling of 4164217 in words is "four million, one hundred sixty-four thousand, two hundred seventeen".