4321181 has 2 divisors, whose sum is σ = 4321182. Its totient is φ = 4321180.

The previous prime is 4321169. The next prime is 4321211. The reversal of 4321181 is 1811234.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2669956 + 1651225 = 1634^2 + 1285^2 .

It is a cyclic number.

It is not a de Polignac number, because 4321181 - 2¹⁸ = 4059037 is a prime.

It is a super-2 number, since 2×4321181² = 37345210469522, 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 (4321081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2160590 + 2160591.

It is an arithmetic number, because the mean of its divisors is an integer number (2160591).

Almost surely, 2^4321181 is an apocalyptic number.

It is an amenable number.

4321181 is a deficient number, since it is larger than the sum of its proper divisors (1).

4321181 is an equidigital number, since it uses as much as digits as its factorization.

4321181 is an evil number, because the sum of its binary digits is even.

The product of its digits is 192, while the sum is 20.

The square root of 4321181 is about 2078.7450541132. The cubic root of 4321181 is about 162.8798969731.

The spelling of 4321181 in words is "four million, three hundred twenty-one thousand, one hundred eighty-one".