16043539 has 2 divisors, whose sum is σ = 16043540. Its totient is φ = 16043538.

The previous prime is 16043537. The next prime is 16043551. The reversal of 16043539 is 93534061.

It is a weak prime.

It is an emirp because it is prime and its reverse (93534061) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16043539 - 2¹ = 16043537 is a prime.

Together with 16043537, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16043539.

It is not a weakly prime, because it can be changed into another prime (16043537) 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, 8021769 + 8021770.

It is an arithmetic number, because the mean of its divisors is an integer number (8021770).

Almost surely, 2^16043539 is an apocalyptic number.

16043539 is a deficient number, since it is larger than the sum of its proper divisors (1).

16043539 is an equidigital number, since it uses as much as digits as its factorization.

16043539 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 16043539 is about 4005.4386775982. The cubic root of 16043539 is about 252.2125683962.

The spelling of 16043539 in words is "sixteen million, forty-three thousand, five hundred thirty-nine".