7897271 has 2 divisors, whose sum is σ = 7897272. Its totient is φ = 7897270.

The previous prime is 7897261. The next prime is 7897283. The reversal of 7897271 is 1727987.

7897271 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (1727987) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7897271 - 2⁶ = 7897207 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7897261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3948635 + 3948636.

It is an arithmetic number, because the mean of its divisors is an integer number (3948636).

Almost surely, 2^7897271 is an apocalyptic number.

7897271 is a deficient number, since it is larger than the sum of its proper divisors (1).

7897271 is an equidigital number, since it uses as much as digits as its factorization.

7897271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 49392, while the sum is 41.

The square root of 7897271 is about 2810.2083552648. The cubic root of 7897271 is about 199.1402343109.

The spelling of 7897271 in words is "seven million, eight hundred ninety-seven thousand, two hundred seventy-one".