17020489 has 2 divisors, whose sum is σ = 17020490. Its totient is φ = 17020488.

The previous prime is 17020433. The next prime is 17020501. The reversal of 17020489 is 98402071.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12145225 + 4875264 = 3485^2 + 2208^2 .

It is an emirp because it is prime and its reverse (98402071) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 17020489 - 2²³ = 8631881 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 17020489.

It is not a weakly prime, because it can be changed into another prime (17020429) 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, 8510244 + 8510245.

It is an arithmetic number, because the mean of its divisors is an integer number (8510245).

Almost surely, 2^17020489 is an apocalyptic number.

It is an amenable number.

17020489 is a deficient number, since it is larger than the sum of its proper divisors (1).

17020489 is an equidigital number, since it uses as much as digits as its factorization.

17020489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 17020489 is about 4125.5895336303. The cubic root of 17020489 is about 257.2314175708.

The spelling of 17020489 in words is "seventeen million, twenty thousand, four hundred eighty-nine".