867271 has 2 divisors, whose sum is σ = 867272. Its totient is φ = 867270.

The previous prime is 867263. The next prime is 867281. The reversal of 867271 is 172768.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 867271 - 2³ = 867263 is a prime.

867271 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (867211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 433635 + 433636.

It is an arithmetic number, because the mean of its divisors is an integer number (433636).

2⁸⁶⁷²⁷¹ is an apocalyptic number.

867271 is a deficient number, since it is larger than the sum of its proper divisors (1).

867271 is an equidigital number, since it uses as much as digits as its factorization.

867271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4704, while the sum is 31.

The square root of 867271 is about 931.2738587548. The cubic root of 867271 is about 95.3641059422.

The spelling of 867271 in words is "eight hundred sixty-seven thousand, two hundred seventy-one".