171013 has 4 divisors (see below), whose sum is σ = 176940. Its totient is φ = 165088.

The previous prime is 171007. The next prime is 171023. The reversal of 171013 is 310171.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 128164 + 42849 = 358^2 + 207^2 .

It is a cyclic number.

It is not a de Polignac number, because 171013 - 2¹³ = 162821 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 170984 and 171002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (171023) 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 in 3 ways as a sum of consecutive naturals, for example, 2920 + ... + 2977.

It is an arithmetic number, because the mean of its divisors is an integer number (44235).

2¹⁷¹⁰¹³ is an apocalyptic number.

It is an amenable number.

171013 is a deficient number, since it is larger than the sum of its proper divisors (5927).

171013 is an equidigital number, since it uses as much as digits as its factorization.

171013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5926.

The product of its (nonzero) digits is 21, while the sum is 13.

The square root of 171013 is about 413.5371809161. The cubic root of 171013 is about 55.5063975527.

Adding to 171013 its reverse (310171), we get a palindrome (481184).

The spelling of 171013 in words is "one hundred seventy-one thousand, thirteen".