170249 has 2 divisors, whose sum is σ = 170250. Its totient is φ = 170248.

The previous prime is 170243. The next prime is 170263. The reversal of 170249 is 942071.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110224 + 60025 = 332^2 + 245^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-170249 is a prime.

It is a Chen prime.

It is a plaindrome in base 15.

It is not a weakly prime, because it can be changed into another prime (170243) 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, 85124 + 85125.

It is an arithmetic number, because the mean of its divisors is an integer number (85125).

2¹⁷⁰²⁴⁹ is an apocalyptic number.

It is an amenable number.

170249 is a deficient number, since it is larger than the sum of its proper divisors (1).

170249 is an equidigital number, since it uses as much as digits as its factorization.

170249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 170249 is about 412.6124089263. The cubic root of 170249 is about 55.4236159400.

The spelling of 170249 in words is "one hundred seventy thousand, two hundred forty-nine".