443143241 has 2 divisors, whose sum is σ = 443143242. Its totient is φ = 443143240.

The previous prime is 443143201. The next prime is 443143243. The reversal of 443143241 is 142341344.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 274896400 + 168246841 = 16580^2 + 12971^2 .

It is a cyclic number.

It is not a de Polignac number, because 443143241 - 2⁶ = 443143177 is a prime.

Together with 443143243, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 443143241.

It is not a weakly prime, because it can be changed into another prime (443143243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221571620 + 221571621.

It is an arithmetic number, because the mean of its divisors is an integer number (221571621).

Almost surely, 2^443143241 is an apocalyptic number.

It is an amenable number.

443143241 is a deficient number, since it is larger than the sum of its proper divisors (1).

443143241 is an equidigital number, since it uses as much as digits as its factorization.

443143241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4608, while the sum is 26.

The square root of 443143241 is about 21050.9676974718. The cubic root of 443143241 is about 762.3973473203.

Adding to 443143241 its reverse (142341344), we get a palindrome (585484585).

The spelling of 443143241 in words is "four hundred forty-three million, one hundred forty-three thousand, two hundred forty-one".