443442401 has 2 divisors, whose sum is σ = 443442402. Its totient is φ = 443442400.

The previous prime is 443442341. The next prime is 443442427. The reversal of 443442401 is 104244344.

It is a happy number.

It is an a-pointer prime, because the next prime (443442427) can be obtained adding 443442401 to its sum of digits (26).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 434680801 + 8761600 = 20849^2 + 2960^2 .

It is a cyclic number.

It is not a de Polignac number, because 443442401 - 2¹⁰ = 443441377 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (443442491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221721200 + 221721201.

It is an arithmetic number, because the mean of its divisors is an integer number (221721201).

Almost surely, 2^443442401 is an apocalyptic number.

It is an amenable number.

443442401 is a deficient number, since it is larger than the sum of its proper divisors (1).

443442401 is an equidigital number, since it uses as much as digits as its factorization.

443442401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 443442401 is about 21058.0721102384. The cubic root of 443442401 is about 762.5688701029.

Adding to 443442401 its reverse (104244344), we get a palindrome (547686745).

The spelling of 443442401 in words is "four hundred forty-three million, four hundred forty-two thousand, four hundred one".