4201181 has 2 divisors, whose sum is σ = 4201182. Its totient is φ = 4201180.

The previous prime is 4201177. The next prime is 4201199. The reversal of 4201181 is 1811024.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3960100 + 241081 = 1990^2 + 491^2 .

It is a cyclic number.

It is not a de Polignac number, because 4201181 - 2² = 4201177 is a prime.

It is a super-2 number, since 2×4201181² = 35299843589522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4209181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2100590 + 2100591.

It is an arithmetic number, because the mean of its divisors is an integer number (2100591).

Almost surely, 2^4201181 is an apocalyptic number.

It is an amenable number.

4201181 is a deficient number, since it is larger than the sum of its proper divisors (1).

4201181 is an equidigital number, since it uses as much as digits as its factorization.

4201181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 17.

The square root of 4201181 is about 2049.6782674361. The cubic root of 4201181 is about 161.3579858775.

The spelling of 4201181 in words is "four million, two hundred one thousand, one hundred eighty-one".