67271 has 2 divisors, whose sum is σ = 67272. Its totient is φ = 67270.

The previous prime is 67261. The next prime is 67273. The reversal of 67271 is 17276.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-67271 is a prime.

Together with 67273, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 9.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33635 + 33636.

It is an arithmetic number, because the mean of its divisors is an integer number (33636).

2⁶⁷²⁷¹ is an apocalyptic number.

67271 is a deficient number, since it is larger than the sum of its proper divisors (1).

67271 is an equidigital number, since it uses as much as digits as its factorization.

67271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 588, while the sum is 23.

The square root of 67271 is about 259.3665360065. The cubic root of 67271 is about 40.6701675149.

The spelling of 67271 in words is "sixty-seven thousand, two hundred seventy-one".