170059 has 4 divisors (see below), whose sum is σ = 171216. Its totient is φ = 168904.

The previous prime is 170057. The next prime is 170063. The reversal of 170059 is 950071.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 170059 - 2¹ = 170057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (170057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 319 + ... + 664.

It is an arithmetic number, because the mean of its divisors is an integer number (42804).

2¹⁷⁰⁰⁵⁹ is an apocalyptic number.

170059 is a deficient number, since it is larger than the sum of its proper divisors (1157).

170059 is an equidigital number, since it uses as much as digits as its factorization.

170059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1156.

The product of its (nonzero) digits is 315, while the sum is 22.

The square root of 170059 is about 412.3821043644. The cubic root of 170059 is about 55.4029904506.

Subtracting from 170059 its product of nonzero digits (315), we obtain a square (169744 = 412²).

The spelling of 170059 in words is "one hundred seventy thousand, fifty-nine".