17142689 has 2 divisors, whose sum is σ = 17142690. Its totient is φ = 17142688.

The previous prime is 17142677. The next prime is 17142701. The reversal of 17142689 is 98624171.

It is a balanced prime because it is at equal distance from previous prime (17142677) and next prime (17142701).

It can be written as a sum of positive squares in only one way, i.e., 9486400 + 7656289 = 3080^2 + 2767^2 .

It is an emirp because it is prime and its reverse (98624171) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 17142689 - 2¹⁶ = 17077153 is a prime.

It is not a weakly prime, because it can be changed into another prime (17142649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8571344 + 8571345.

It is an arithmetic number, because the mean of its divisors is an integer number (8571345).

Almost surely, 2^17142689 is an apocalyptic number.

It is an amenable number.

17142689 is a deficient number, since it is larger than the sum of its proper divisors (1).

17142689 is an equidigital number, since it uses as much as digits as its factorization.

17142689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 38.

The square root of 17142689 is about 4140.3730508253. The cubic root of 17142689 is about 257.8455548606.

The spelling of 17142689 in words is "seventeen million, one hundred forty-two thousand, six hundred eighty-nine".