42036443 has 2 divisors, whose sum is σ = 42036444. Its totient is φ = 42036442.

The previous prime is 42036431. The next prime is 42036469. The reversal of 42036443 is 34463024.

42036443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (42036469) can be obtained adding 42036443 to its sum of digits (26).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42036443 - 2⁸ = 42036187 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (42032443) 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, 21018221 + 21018222.

It is an arithmetic number, because the mean of its divisors is an integer number (21018222).

Almost surely, 2^42036443 is an apocalyptic number.

42036443 is a deficient number, since it is larger than the sum of its proper divisors (1).

42036443 is an equidigital number, since it uses as much as digits as its factorization.

42036443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 26.

The square root of 42036443 is about 6483.5517272557. The cubic root of 42036443 is about 347.7031725981.

Adding to 42036443 its reverse (34463024), we get a palindrome (76499467).

It can be divided in two parts, 420 and 36443, that added together give a palindrome (36863).

The spelling of 42036443 in words is "forty-two million, thirty-six thousand, four hundred forty-three".