443241013 has 2 divisors, whose sum is σ = 443241014. Its totient is φ = 443241012.

The previous prime is 443240971. The next prime is 443241023. The reversal of 443241013 is 310142344.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 430230564 + 13010449 = 20742^2 + 3607^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-443241013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (443241023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221620506 + 221620507.

It is an arithmetic number, because the mean of its divisors is an integer number (221620507).

Almost surely, 2^443241013 is an apocalyptic number.

It is an amenable number.

443241013 is a deficient number, since it is larger than the sum of its proper divisors (1).

443241013 is an equidigital number, since it uses as much as digits as its factorization.

443241013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 443241013 is about 21053.2898379327. The cubic root of 443241013 is about 762.4534131888.

Adding to 443241013 its reverse (310142344), we get a palindrome (753383357).

The spelling of 443241013 in words is "four hundred forty-three million, two hundred forty-one thousand, thirteen".