171349 has 6 divisors (see below), whose sum is σ = 177506. Its totient is φ = 165360.

The previous prime is 171341. The next prime is 171383. The reversal of 171349 is 943171.

It can be written as a sum of positive squares in 3 ways, for example, as 16900 + 154449 = 130^2 + 393^2 .

It is not a de Polignac number, because 171349 - 2³ = 171341 is a prime.

It is a Duffinian number.

171349 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (171341) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2779 + ... + 2839.

2¹⁷¹³⁴⁹ is an apocalyptic number.

It is an amenable number.

171349 is a deficient number, since it is larger than the sum of its proper divisors (6157).

171349 is an frugal number, since it uses more digits than its factorization.

171349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167 (or 114 counting only the distinct ones).

The product of its digits is 756, while the sum is 25.

The square root of 171349 is about 413.9432328231. The cubic root of 171349 is about 55.5427260745.

The spelling of 171349 in words is "one hundred seventy-one thousand, three hundred forty-nine".