4161811 has 2 divisors, whose sum is σ = 4161812. Its totient is φ = 4161810.

The previous prime is 4161809. The next prime is 4161823. The reversal of 4161811 is 1181614.

4161811 is digitally balanced in base 2, 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 4161811 - 2¹ = 4161809 is a prime.

Together with 4161809, it forms a pair of twin primes.

It is a Chen prime.

4161811 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (4161851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2080905 + 2080906.

It is an arithmetic number, because the mean of its divisors is an integer number (2080906).

Almost surely, 2^4161811 is an apocalyptic number.

4161811 is a deficient number, since it is larger than the sum of its proper divisors (1).

4161811 is an equidigital number, since it uses as much as digits as its factorization.

4161811 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 192, while the sum is 22.

The square root of 4161811 is about 2040.0517150308. The cubic root of 4161811 is about 160.8523652088.

The spelling of 4161811 in words is "four million, one hundred sixty-one thousand, eight hundred eleven".