424845539 has 2 divisors, whose sum is σ = 424845540. Its totient is φ = 424845538.

The previous prime is 424845523. The next prime is 424845569. The reversal of 424845539 is 935548424.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 424845539 - 2⁴ = 424845523 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 424845539.

It is not a weakly prime, because it can be changed into another prime (424845569) 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, 212422769 + 212422770.

It is an arithmetic number, because the mean of its divisors is an integer number (212422770).

Almost surely, 2^424845539 is an apocalyptic number.

424845539 is a deficient number, since it is larger than the sum of its proper divisors (1).

424845539 is an equidigital number, since it uses as much as digits as its factorization.

424845539 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 691200, while the sum is 44.

The square root of 424845539 is about 20611.7815581284. The cubic root of 424845539 is about 751.7562038616.

The spelling of 424845539 in words is "four hundred twenty-four million, eight hundred forty-five thousand, five hundred thirty-nine".