171049 has 2 divisors, whose sum is σ = 171050. Its totient is φ = 171048.

The previous prime is 171047. The next prime is 171053. The reversal of 171049 is 940171.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99225 + 71824 = 315^2 + 268^2 .

It is a cyclic number.

It is not a de Polignac number, because 171049 - 2¹ = 171047 is a prime.

Together with 171047, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (171043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85524 + 85525.

It is an arithmetic number, because the mean of its divisors is an integer number (85525).

2¹⁷¹⁰⁴⁹ is an apocalyptic number.

It is an amenable number.

171049 is a deficient number, since it is larger than the sum of its proper divisors (1).

171049 is an equidigital number, since it uses as much as digits as its factorization.

171049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 171049 is about 413.5807055461. The cubic root of 171049 is about 55.5102921691.

The spelling of 171049 in words is "one hundred seventy-one thousand, forty-nine".