806211713 has 4 divisors (see below), whose sum is σ = 808032048. Its totient is φ = 804391380.

The previous prime is 806211697. The next prime is 806211719. The reversal of 806211713 is 317112608.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 806211713 - 2⁴ = 806211697 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (806211719) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 909503 + ... + 910388.

It is an arithmetic number, because the mean of its divisors is an integer number (202008012).

Almost surely, 2^806211713 is an apocalyptic number.

It is an amenable number.

806211713 is a deficient number, since it is larger than the sum of its proper divisors (1820335).

806211713 is a wasteful number, since it uses less digits than its factorization.

806211713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1820334.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 806211713 is about 28393.8675245201. The cubic root of 806211713 is about 930.7142595562.

The spelling of 806211713 in words is "eight hundred six million, two hundred eleven thousand, seven hundred thirteen".