806356697 has 2 divisors, whose sum is σ = 806356698. Its totient is φ = 806356696.

The previous prime is 806356679. The next prime is 806356709. The reversal of 806356697 is 796653608.

Together with previous prime (806356679) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 768176656 + 38180041 = 27716^2 + 6179^2 .

It is a cyclic number.

It is not a de Polignac number, because 806356697 - 2¹⁰ = 806355673 is a prime.

It is a super-2 number, since 2×806356697² = 1300422245593499618, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (806356297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 403178348 + 403178349.

It is an arithmetic number, because the mean of its divisors is an integer number (403178349).

Almost surely, 2^806356697 is an apocalyptic number.

It is an amenable number.

806356697 is a deficient number, since it is larger than the sum of its proper divisors (1).

806356697 is an equidigital number, since it uses as much as digits as its factorization.

806356697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1632960, while the sum is 50.

The square root of 806356697 is about 28396.4204962527. The cubic root of 806356697 is about 930.7700474615.

The spelling of 806356697 in words is "eight hundred six million, three hundred fifty-six thousand, six hundred ninety-seven".