42753443 has 2 divisors, whose sum is σ = 42753444. Its totient is φ = 42753442.

The previous prime is 42753427. The next prime is 42753449. The reversal of 42753443 is 34435724.

42753443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42753443 - 2⁴ = 42753427 is a prime.

It is not a weakly prime, because it can be changed into another prime (42753449) 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, 21376721 + 21376722.

It is an arithmetic number, because the mean of its divisors is an integer number (21376722).

Almost surely, 2^42753443 is an apocalyptic number.

42753443 is a deficient number, since it is larger than the sum of its proper divisors (1).

42753443 is an equidigital number, since it uses as much as digits as its factorization.

42753443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40320, while the sum is 32.

The square root of 42753443 is about 6538.6117028005. The cubic root of 42753443 is about 349.6689195682.

The spelling of 42753443 in words is "forty-two million, seven hundred fifty-three thousand, four hundred forty-three".