170497 has 2 divisors, whose sum is σ = 170498. Its totient is φ = 170496.

The previous prime is 170483. The next prime is 170503. The reversal of 170497 is 794071.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 128881 + 41616 = 359^2 + 204^2 .

It is an emirp because it is prime and its reverse (794071) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 170497 - 2⁷ = 170369 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (170447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85248 + 85249.

It is an arithmetic number, because the mean of its divisors is an integer number (85249).

It is a Proth number, since it is equal to 333 ⋅ 2⁹ + 1 and 333 < 2⁹.

2¹⁷⁰⁴⁹⁷ is an apocalyptic number.

It is an amenable number.

170497 is a deficient number, since it is larger than the sum of its proper divisors (1).

170497 is an equidigital number, since it uses as much as digits as its factorization.

170497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1764, while the sum is 28.

The square root of 170497 is about 412.9128237292. The cubic root of 170497 is about 55.4505145572.

The spelling of 170497 in words is "one hundred seventy thousand, four hundred ninety-seven".