214441081 has 2 divisors, whose sum is σ = 214441082. Its totient is φ = 214441080.

The previous prime is 214441063. The next prime is 214441091. The reversal of 214441081 is 180144412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 169000000 + 45441081 = 13000^2 + 6741^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-214441081 is a prime.

It is a super-2 number, since 2×214441081² = 91969954440897122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (214441061) 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, 107220540 + 107220541.

It is an arithmetic number, because the mean of its divisors is an integer number (107220541).

Almost surely, 2^214441081 is an apocalyptic number.

It is an amenable number.

214441081 is a deficient number, since it is larger than the sum of its proper divisors (1).

214441081 is an equidigital number, since it uses as much as digits as its factorization.

214441081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1024, while the sum is 25.

The square root of 214441081 is about 14643.8069162360. The cubic root of 214441081 is about 598.5530699421.

Adding to 214441081 its reverse (180144412), we get a palindrome (394585493).

The spelling of 214441081 in words is "two hundred fourteen million, four hundred forty-one thousand, eighty-one".