17312089 has 2 divisors, whose sum is σ = 17312090. Its totient is φ = 17312088.

The previous prime is 17312083. The next prime is 17312111. The reversal of 17312089 is 98021371.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17081689 + 230400 = 4133^2 + 480^2 .

It is a cyclic number.

It is not a de Polignac number, because 17312089 - 2³ = 17312081 is a prime.

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 17312089.

It is not a weakly prime, because it can be changed into another prime (17312081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8656044 + 8656045.

It is an arithmetic number, because the mean of its divisors is an integer number (8656045).

Almost surely, 2^17312089 is an apocalyptic number.

It is an amenable number.

17312089 is a deficient number, since it is larger than the sum of its proper divisors (1).

17312089 is an equidigital number, since it uses as much as digits as its factorization.

17312089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 17312089 is about 4160.7798547868. The cubic root of 17312089 is about 258.6920954545.

The spelling of 17312089 in words is "seventeen million, three hundred twelve thousand, eighty-nine".