424544539 has 2 divisors, whose sum is σ = 424544540. Its totient is φ = 424544538.

The previous prime is 424544537. The next prime is 424544573. The reversal of 424544539 is 935445424.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 424544539 - 2¹ = 424544537 is a prime.

Together with 424544537, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (424544537) 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, 212272269 + 212272270.

It is an arithmetic number, because the mean of its divisors is an integer number (212272270).

Almost surely, 2^424544539 is an apocalyptic number.

424544539 is a deficient number, since it is larger than the sum of its proper divisors (1).

424544539 is an equidigital number, since it uses as much as digits as its factorization.

424544539 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 345600, while the sum is 40.

The square root of 424544539 is about 20604.4786150973. The cubic root of 424544539 is about 751.5786239676.

It can be divided in two parts, 4245 and 44539, that added together give a palindrome (48784).

The spelling of 424544539 in words is "four hundred twenty-four million, five hundred forty-four thousand, five hundred thirty-nine".