441810641 has 2 divisors, whose sum is σ = 441810642. Its totient is φ = 441810640.

The previous prime is 441810601. The next prime is 441810647. The reversal of 441810641 is 146018144.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 368793616 + 73017025 = 19204^2 + 8545^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-441810641 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (441810647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220905320 + 220905321.

It is an arithmetic number, because the mean of its divisors is an integer number (220905321).

Almost surely, 2^441810641 is an apocalyptic number.

It is an amenable number.

441810641 is a deficient number, since it is larger than the sum of its proper divisors (1).

441810641 is an equidigital number, since it uses as much as digits as its factorization.

441810641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 441810641 is about 21019.2921146265. The cubic root of 441810641 is about 761.6323645719.

Adding to 441810641 its reverse (146018144), we get a palindrome (587828785).

The spelling of 441810641 in words is "four hundred forty-one million, eight hundred ten thousand, six hundred forty-one".