797571 has 12 divisors (see below), whose sum is σ = 1202448. Its totient is φ = 508464.

The previous prime is 797569. The next prime is 797579. The reversal of 797571 is 175797.

It is not a de Polignac number, because 797571 - 2¹ = 797569 is a prime.

It is a super-2 number, since 2×797571² = 1272239000082, which contains 22 as substring.

797571 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (797579) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1720 + ... + 2133.

It is an arithmetic number, because the mean of its divisors is an integer number (100204).

2⁷⁹⁷⁵⁷¹ is an apocalyptic number.

797571 is a deficient number, since it is larger than the sum of its proper divisors (404877).

797571 is a wasteful number, since it uses less digits than its factorization.

797571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3882 (or 3879 counting only the distinct ones).

The product of its digits is 15435, while the sum is 36.

The square root of 797571 is about 893.0683064581. The cubic root of 797571 is about 92.7377279288.

The spelling of 797571 in words is "seven hundred ninety-seven thousand, five hundred seventy-one".