806211297 has 12 divisors (see below), whose sum is σ = 1164802704. Its totient is φ = 537347160.

The previous prime is 806211293. The next prime is 806211337. The reversal of 806211297 is 792112608.

806211297 is a `hidden beast` number, since 8 + 0 + 621 + 1 + 29 + 7 = 666.

It is not a de Polignac number, because 806211297 - 2² = 806211293 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (806211293) 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, 44922 + ... + 60252.

It is an arithmetic number, because the mean of its divisors is an integer number (97066892).

Almost surely, 2^806211297 is an apocalyptic number.

It is an amenable number.

806211297 is a deficient number, since it is larger than the sum of its proper divisors (358591407).

806211297 is a wasteful number, since it uses less digits than its factorization.

806211297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21180 (or 21177 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 806211297 is about 28393.8601989937. The cubic root of 806211297 is about 930.7140994753.

It can be divided in two parts, 80621 and 1297, that added together give a palindrome (81918).

The spelling of 806211297 in words is "eight hundred six million, two hundred eleven thousand, two hundred ninety-seven".