809701 has 2 divisors, whose sum is σ = 809702. Its totient is φ = 809700.

The previous prime is 809629. The next prime is 809707. The reversal of 809701 is 107908.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 641601 + 168100 = 801^2 + 410^2 .

It is a cyclic number.

It is not a de Polignac number, because 809701 - 2⁹ = 809189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (809707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 404850 + 404851.

It is an arithmetic number, because the mean of its divisors is an integer number (404851).

2⁸⁰⁹⁷⁰¹ is an apocalyptic number.

It is an amenable number.

809701 is a deficient number, since it is larger than the sum of its proper divisors (1).

809701 is an equidigital number, since it uses as much as digits as its factorization.

809701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 809701 is about 899.8338735567. The cubic root of 809701 is about 93.2055038594.

The spelling of 809701 in words is "eight hundred nine thousand, seven hundred one".