801000709 has 2 divisors, whose sum is σ = 801000710. Its totient is φ = 801000708.

The previous prime is 801000701. The next prime is 801000721. The reversal of 801000709 is 907000108.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 730188484 + 70812225 = 27022^2 + 8415^2 .

It is a cyclic number.

It is not a de Polignac number, because 801000709 - 2³ = 801000701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (801000701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 400500354 + 400500355.

It is an arithmetic number, because the mean of its divisors is an integer number (400500355).

Almost surely, 2^801000709 is an apocalyptic number.

It is an amenable number.

801000709 is a deficient number, since it is larger than the sum of its proper divisors (1).

801000709 is an equidigital number, since it uses as much as digits as its factorization.

801000709 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 801000709 is about 28301.9559218087. The cubic root of 801000709 is about 928.7046787497.

The spelling of 801000709 in words is "eight hundred one million, seven hundred nine", and thus it is an aban number.