4318081 has 2 divisors, whose sum is σ = 4318082. Its totient is φ = 4318080.

The previous prime is 4318063. The next prime is 4318087. The reversal of 4318081 is 1808134.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2509056 + 1809025 = 1584^2 + 1345^2 .

It is a cyclic number.

It is not a de Polignac number, because 4318081 - 2⁵ = 4318049 is a prime.

It is a super-2 number, since 2×4318081² = 37291647045122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4318087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2159040 + 2159041.

It is an arithmetic number, because the mean of its divisors is an integer number (2159041).

Almost surely, 2^4318081 is an apocalyptic number.

It is an amenable number.

4318081 is a deficient number, since it is larger than the sum of its proper divisors (1).

4318081 is an equidigital number, since it uses as much as digits as its factorization.

4318081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 4318081 is about 2077.9992781519. Note that the first 3 decimals coincide. The cubic root of 4318081 is about 162.8409378341.

The spelling of 4318081 in words is "four million, three hundred eighteen thousand, eighty-one".