806146897 has 2 divisors, whose sum is σ = 806146898. Its totient is φ = 806146896.

The previous prime is 806146853. The next prime is 806146933. The reversal of 806146897 is 798641608.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 760435776 + 45711121 = 27576^2 + 6761^2 .

It is a cyclic number.

It is not a de Polignac number, because 806146897 - 2¹⁵ = 806114129 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 806146897.

It is not a weakly prime, because it can be changed into another prime (806146807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 403073448 + 403073449.

It is an arithmetic number, because the mean of its divisors is an integer number (403073449).

Almost surely, 2^806146897 is an apocalyptic number.

It is an amenable number.

806146897 is a deficient number, since it is larger than the sum of its proper divisors (1).

806146897 is an equidigital number, since it uses as much as digits as its factorization.

806146897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 580608, while the sum is 49.

The square root of 806146897 is about 28392.7261283590. The cubic root of 806146897 is about 930.6893170623.

The spelling of 806146897 in words is "eight hundred six million, one hundred forty-six thousand, eight hundred ninety-seven".