16873589 has 2 divisors, whose sum is σ = 16873590. Its totient is φ = 16873588.

The previous prime is 16873573. The next prime is 16873603. The reversal of 16873589 is 98537861.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11444689 + 5428900 = 3383^2 + 2330^2 .

It is an emirp because it is prime and its reverse (98537861) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16873589 - 2⁴ = 16873573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16873189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8436794 + 8436795.

It is an arithmetic number, because the mean of its divisors is an integer number (8436795).

Almost surely, 2^16873589 is an apocalyptic number.

It is an amenable number.

16873589 is a deficient number, since it is larger than the sum of its proper divisors (1).

16873589 is an equidigital number, since it uses as much as digits as its factorization.

16873589 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 362880, while the sum is 47.

The square root of 16873589 is about 4107.7474362478. The cubic root of 16873589 is about 256.4892428361.

The spelling of 16873589 in words is "sixteen million, eight hundred seventy-three thousand, five hundred eighty-nine".