5644181 has 2 divisors, whose sum is σ = 5644182. Its totient is φ = 5644180.

The previous prime is 5644169. The next prime is 5644193. The reversal of 5644181 is 1814465.

5644181 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (5644169) and next prime (5644193).

It can be written as a sum of positive squares in only one way, i.e., 5597956 + 46225 = 2366^2 + 215^2 .

It is a cyclic number.

It is not a de Polignac number, because 5644181 - 2¹⁸ = 5382037 is a prime.

It is a super-2 number, since 2×5644181² = 63713558321522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5644781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2822090 + 2822091.

It is an arithmetic number, because the mean of its divisors is an integer number (2822091).

Almost surely, 2^5644181 is an apocalyptic number.

It is an amenable number.

5644181 is a deficient number, since it is larger than the sum of its proper divisors (1).

5644181 is an equidigital number, since it uses as much as digits as its factorization.

5644181 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3840, while the sum is 29.

The square root of 5644181 is about 2375.7485136268. The cubic root of 5644181 is about 178.0465833556.

The spelling of 5644181 in words is "five million, six hundred forty-four thousand, one hundred eighty-one".