16489003 has 2 divisors, whose sum is σ = 16489004. Its totient is φ = 16489002.

The previous prime is 16488991. The next prime is 16489019. The reversal of 16489003 is 30098461.

It is a weak prime.

It is an emirp because it is prime and its reverse (30098461) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16489003 - 2⁹ = 16488491 is a prime.

It is not a weakly prime, because it can be changed into another prime (16489043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8244501 + 8244502.

It is an arithmetic number, because the mean of its divisors is an integer number (8244502).

Almost surely, 2^16489003 is an apocalyptic number.

16489003 is a deficient number, since it is larger than the sum of its proper divisors (1).

16489003 is an equidigital number, since it uses as much as digits as its factorization.

16489003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 16489003 is about 4060.6653395718. The cubic root of 16489003 is about 254.5255975272.

The spelling of 16489003 in words is "sixteen million, four hundred eighty-nine thousand, three".