804672013 has 2 divisors, whose sum is σ = 804672014. Its totient is φ = 804672012.

The previous prime is 804671977. The next prime is 804672047. The reversal of 804672013 is 310276408.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 585543204 + 219128809 = 24198^2 + 14803^2 .

It is a cyclic number.

It is not a de Polignac number, because 804672013 - 2²⁹ = 267801101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (804672073) 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, 402336006 + 402336007.

It is an arithmetic number, because the mean of its divisors is an integer number (402336007).

Almost surely, 2^804672013 is an apocalyptic number.

It is an amenable number.

804672013 is a deficient number, since it is larger than the sum of its proper divisors (1).

804672013 is an equidigital number, since it uses as much as digits as its factorization.

804672013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 804672013 is about 28366.7413179590. The cubic root of 804672013 is about 930.1213904828.

The spelling of 804672013 in words is "eight hundred four million, six hundred seventy-two thousand, thirteen".