171393 has 4 divisors (see below), whose sum is σ = 228528. Its totient is φ = 114260.

The previous prime is 171383. The next prime is 171401. The reversal of 171393 is 393171.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 171393 - 2⁶ = 171329 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (171383) 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, 28563 + ... + 28568.

It is an arithmetic number, because the mean of its divisors is an integer number (57132).

2¹⁷¹³⁹³ is an apocalyptic number.

It is an amenable number.

171393 is a deficient number, since it is larger than the sum of its proper divisors (57135).

171393 is an equidigital number, since it uses as much as digits as its factorization.

171393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57134.

The product of its digits is 567, while the sum is 24.

The square root of 171393 is about 413.9963767957. The cubic root of 171393 is about 55.5474798632.

The spelling of 171393 in words is "one hundred seventy-one thousand, three hundred ninety-three".