4063181 has 2 divisors, whose sum is σ = 4063182. Its totient is φ = 4063180.

The previous prime is 4063177. The next prime is 4063183. The reversal of 4063181 is 1813604.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3865156 + 198025 = 1966^2 + 445^2 .

It is a cyclic number.

It is not a de Polignac number, because 4063181 - 2² = 4063177 is a prime.

It is a super-2 number, since 2×4063181² = 33018879677522, which contains 22 as substring.

Together with 4063183, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4063183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2031590 + 2031591.

It is an arithmetic number, because the mean of its divisors is an integer number (2031591).

Almost surely, 2^4063181 is an apocalyptic number.

It is an amenable number.

4063181 is a deficient number, since it is larger than the sum of its proper divisors (1).

4063181 is an equidigital number, since it uses as much as digits as its factorization.

4063181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 4063181 is about 2015.7333653041. The cubic root of 4063181 is about 159.5715228409.

Adding to 4063181 its reverse (1813604), we get a palindrome (5876785).

The spelling of 4063181 in words is "four million, sixty-three thousand, one hundred eighty-one".