424105543 has 2 divisors, whose sum is σ = 424105544. Its totient is φ = 424105542.

The previous prime is 424105537. The next prime is 424105553. The reversal of 424105543 is 345501424.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-424105543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (424105553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212052771 + 212052772.

It is an arithmetic number, because the mean of its divisors is an integer number (212052772).

Almost surely, 2^424105543 is an apocalyptic number.

424105543 is a deficient number, since it is larger than the sum of its proper divisors (1).

424105543 is an equidigital number, since it uses as much as digits as its factorization.

424105543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 424105543 is about 20593.8229331030. The cubic root of 424105543 is about 751.3194805261.

Adding to 424105543 its reverse (345501424), we get a palindrome (769606967).

The spelling of 424105543 in words is "four hundred twenty-four million, one hundred five thousand, five hundred forty-three".