4042505171 has 2 divisors, whose sum is σ = 4042505172. Its totient is φ = 4042505170.

The previous prime is 4042505149. The next prime is 4042505221. The reversal of 4042505171 is 1715052404.

4042505171 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4042505171 - 2¹⁴ = 4042488787 is a prime.

It is not a weakly prime, because it can be changed into another prime (4042505101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2021252585 + 2021252586.

It is an arithmetic number, because the mean of its divisors is an integer number (2021252586).

Almost surely, 2^4042505171 is an apocalyptic number.

4042505171 is a deficient number, since it is larger than the sum of its proper divisors (1).

4042505171 is an equidigital number, since it uses as much as digits as its factorization.

4042505171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5600, while the sum is 29.

The square root of 4042505171 is about 63580.6981009174. The cubic root of 4042505171 is about 1593.0039818909.

Adding to 4042505171 its reverse (1715052404), we get a palindrome (5757557575).

The spelling of 4042505171 in words is "four billion, forty-two million, five hundred five thousand, one hundred seventy-one".