4201217 has 2 divisors, whose sum is σ = 4201218. Its totient is φ = 4201216.

The previous prime is 4201207. The next prime is 4201243. The reversal of 4201217 is 7121024.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2876416 + 1324801 = 1696^2 + 1151^2 .

It is a cyclic number.

It is not a de Polignac number, because 4201217 - 2²⁰ = 3152641 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4201195 and 4201204.

It is not a weakly prime, because it can be changed into another prime (4201207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2100608 + 2100609.

It is an arithmetic number, because the mean of its divisors is an integer number (2100609).

Almost surely, 2^4201217 is an apocalyptic number.

It is an amenable number.

4201217 is a deficient number, since it is larger than the sum of its proper divisors (1).

4201217 is an equidigital number, since it uses as much as digits as its factorization.

4201217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 4201217 is about 2049.6870492834. The cubic root of 4201217 is about 161.3584467694.

The spelling of 4201217 in words is "four million, two hundred one thousand, two hundred seventeen".