797171 has 2 divisors, whose sum is σ = 797172. Its totient is φ = 797170.

The previous prime is 797161. The next prime is 797201. The reversal of 797171 is 171797.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-797171 is a prime.

It is a plaindrome in base 9.

It is not a weakly prime, because it can be changed into another prime (797131) 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, 398585 + 398586.

It is an arithmetic number, because the mean of its divisors is an integer number (398586).

2⁷⁹⁷¹⁷¹ is an apocalyptic number.

797171 is a deficient number, since it is larger than the sum of its proper divisors (1).

797171 is an equidigital number, since it uses as much as digits as its factorization.

797171 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3087, while the sum is 32.

The square root of 797171 is about 892.8443313367. The cubic root of 797171 is about 92.7222219762.

The spelling of 797171 in words is "seven hundred ninety-seven thousand, one hundred seventy-one".