4071181 has 2 divisors, whose sum is σ = 4071182. Its totient is φ = 4071180.

The previous prime is 4071157. The next prime is 4071217. The reversal of 4071181 is 1811704.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2205225 + 1865956 = 1485^2 + 1366^2 .

It is a cyclic number.

It is not a de Polignac number, because 4071181 - 2⁹ = 4070669 is a prime.

It is a super-2 number, since 2×4071181² = 33149029469522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4011181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2035590 + 2035591.

It is an arithmetic number, because the mean of its divisors is an integer number (2035591).

Almost surely, 2^4071181 is an apocalyptic number.

It is an amenable number.

4071181 is a deficient number, since it is larger than the sum of its proper divisors (1).

4071181 is an equidigital number, since it uses as much as digits as its factorization.

4071181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 22.

The square root of 4071181 is about 2017.7167789360. The cubic root of 4071181 is about 159.6761810125.

Adding to 4071181 its reverse (1811704), we get a palindrome (5882885).

The spelling of 4071181 in words is "four million, seventy-one thousand, one hundred eighty-one".