4042271 has 2 divisors, whose sum is σ = 4042272. Its totient is φ = 4042270.

The previous prime is 4042253. The next prime is 4042303. The reversal of 4042271 is 1722404.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4042271 is a prime.

It is a congruent number.

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, 2021135 + 2021136.

It is an arithmetic number, because the mean of its divisors is an integer number (2021136).

Almost surely, 2^4042271 is an apocalyptic number.

4042271 is a deficient number, since it is larger than the sum of its proper divisors (1).

4042271 is an equidigital number, since it uses as much as digits as its factorization.

4042271 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 4042271 is about 2010.5399772201. The cubic root of 4042271 is about 159.2973221878.

Adding to 4042271 its reverse (1722404), we get a palindrome (5764675).

The spelling of 4042271 in words is "four million, forty-two thousand, two hundred seventy-one".