809072941 has 2 divisors, whose sum is σ = 809072942. Its totient is φ = 809072940.

The previous prime is 809072911. The next prime is 809072947. The reversal of 809072941 is 149270908.

809072941 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 808208041 + 864900 = 28429^2 + 930^2 .

It is a cyclic number.

It is not a de Polignac number, because 809072941 - 2²¹ = 806975789 is a prime.

It is equal to p_41588932 and since 809072941 and 41588932 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 809072894 and 809072903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (809072947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 404536470 + 404536471.

It is an arithmetic number, because the mean of its divisors is an integer number (404536471).

Almost surely, 2^809072941 is an apocalyptic number.

It is an amenable number.

809072941 is a deficient number, since it is larger than the sum of its proper divisors (1).

809072941 is an equidigital number, since it uses as much as digits as its factorization.

809072941 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 809072941 is about 28444.2075122511. The cubic root of 809072941 is about 931.8139878948.

The spelling of 809072941 in words is "eight hundred nine million, seventy-two thousand, nine hundred forty-one".