4042217 has 2 divisors, whose sum is σ = 4042218. Its totient is φ = 4042216.

The previous prime is 4042211. The next prime is 4042249. The reversal of 4042217 is 7122404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3904576 + 137641 = 1976^2 + 371^2 .

It is a cyclic number.

It is not a de Polignac number, because 4042217 - 2⁶ = 4042153 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4042211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2021108 + 2021109.

It is an arithmetic number, because the mean of its divisors is an integer number (2021109).

Almost surely, 2^4042217 is an apocalyptic number.

It is an amenable number.

4042217 is a deficient number, since it is larger than the sum of its proper divisors (1).

4042217 is an equidigital number, since it uses as much as digits as its factorization.

4042217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 4042217 is about 2010.5265479471. The cubic root of 4042217 is about 159.2966128428.

The spelling of 4042217 in words is "four million, forty-two thousand, two hundred seventeen".