4291181 has 2 divisors, whose sum is σ = 4291182. Its totient is φ = 4291180.

The previous prime is 4291171. The next prime is 4291193. The reversal of 4291181 is 1811924.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3222025 + 1069156 = 1795^2 + 1034^2 .

It is a cyclic number.

It is not a de Polignac number, because 4291181 - 2⁶ = 4291117 is a prime.

It is a super-2 number, since 2×4291181² = 36828468749522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4291181.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4291121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2145590 + 2145591.

It is an arithmetic number, because the mean of its divisors is an integer number (2145591).

Almost surely, 2^4291181 is an apocalyptic number.

It is an amenable number.

4291181 is a deficient number, since it is larger than the sum of its proper divisors (1).

4291181 is an equidigital number, since it uses as much as digits as its factorization.

4291181 is an evil number, because the sum of its binary digits is even.

The product of its digits is 576, while the sum is 26.

The square root of 4291181 is about 2071.5165941889. The cubic root of 4291181 is about 162.5020875471.

The spelling of 4291181 in words is "four million, two hundred ninety-one thousand, one hundred eighty-one".