170369 has 2 divisors, whose sum is σ = 170370. Its totient is φ = 170368.

The previous prime is 170363. The next prime is 170371. The reversal of 170369 is 963071.

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., 169744 + 625 = 412^2 + 25^2 .

It is a cyclic number.

It is not a de Polignac number, because 170369 - 2⁴ = 170353 is a prime.

It is a super-2 number, since 2×170369² = 58051192322, which contains 22 as substring.

Together with 170371, it forms a pair of twin primes.

It is a Chen prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 170369.

It is not a weakly prime, because it can be changed into another prime (170363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85184 + 85185.

It is an arithmetic number, because the mean of its divisors is an integer number (85185).

2¹⁷⁰³⁶⁹ is an apocalyptic number.

It is an amenable number.

170369 is a deficient number, since it is larger than the sum of its proper divisors (1).

170369 is an equidigital number, since it uses as much as digits as its factorization.

170369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 170369 is about 412.7577982304. The cubic root of 170369 is about 55.4366346594.

The spelling of 170369 in words is "one hundred seventy thousand, three hundred sixty-nine".