804480013 has 2 divisors, whose sum is σ = 804480014. Its totient is φ = 804480012.

The previous prime is 804479971. The next prime is 804480071. The reversal of 804480013 is 310084408.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 422590249 + 381889764 = 20557^2 + 19542^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-804480013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (804483013) 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, 402240006 + 402240007.

It is an arithmetic number, because the mean of its divisors is an integer number (402240007).

Almost surely, 2^804480013 is an apocalyptic number.

It is an amenable number.

804480013 is a deficient number, since it is larger than the sum of its proper divisors (1).

804480013 is an equidigital number, since it uses as much as digits as its factorization.

804480013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 804480013 is about 28363.3568711463. The cubic root of 804480013 is about 930.0474069178.

The spelling of 804480013 in words is "eight hundred four million, four hundred eighty thousand, thirteen".