171401 has 2 divisors, whose sum is σ = 171402. Its totient is φ = 171400.

The previous prime is 171383. The next prime is 171403. The reversal of 171401 is 104171.

It is a happy number.

171401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 156025 + 15376 = 395^2 + 124^2 .

It is a cyclic number.

It is not a de Polignac number, because 171401 - 2¹⁴ = 155017 is a prime.

It is a Sophie Germain prime.

Together with 171403, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a plaindrome in base 14 and base 15.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 171401.

It is not a weakly prime, because it can be changed into another prime (171403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85700 + 85701.

It is an arithmetic number, because the mean of its divisors is an integer number (85701).

2¹⁷¹⁴⁰¹ is an apocalyptic number.

It is an amenable number.

171401 is a deficient number, since it is larger than the sum of its proper divisors (1).

171401 is an equidigital number, since it uses as much as digits as its factorization.

171401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28, while the sum is 14.

The square root of 171401 is about 414.0060386033. The cubic root of 171401 is about 55.5483441010.

Adding to 171401 its reverse (104171), we get a palindrome (275572).

The spelling of 171401 in words is "one hundred seventy-one thousand, four hundred one", and thus it is an iban number.