171383 has 2 divisors, whose sum is σ = 171384. Its totient is φ = 171382.

The previous prime is 171341. The next prime is 171401. The reversal of 171383 is 383171.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (383171) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-171383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (171583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85691 + 85692.

It is an arithmetic number, because the mean of its divisors is an integer number (85692).

2¹⁷¹³⁸³ is an apocalyptic number.

171383 is a deficient number, since it is larger than the sum of its proper divisors (1).

171383 is an equidigital number, since it uses as much as digits as its factorization.

171383 is an evil number, because the sum of its binary digits is even.

The product of its digits is 504, while the sum is 23.

The square root of 171383 is about 413.9842992192. The cubic root of 171383 is about 55.5463995281.

The spelling of 171383 in words is "one hundred seventy-one thousand, three hundred eighty-three".