804313 has 2 divisors, whose sum is σ = 804314. Its totient is φ = 804312.

The previous prime is 804283. The next prime is 804317. The reversal of 804313 is 313408.

804313 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., 795664 + 8649 = 892^2 + 93^2 .

It is a cyclic number.

It is not a de Polignac number, because 804313 - 2⁵ = 804281 is a prime.

It is not a weakly prime, because it can be changed into another prime (804317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 402156 + 402157.

It is an arithmetic number, because the mean of its divisors is an integer number (402157).

2⁸⁰⁴³¹³ is an apocalyptic number.

It is an amenable number.

804313 is a deficient number, since it is larger than the sum of its proper divisors (1).

804313 is an equidigital number, since it uses as much as digits as its factorization.

804313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 804313 is about 896.8349903968. The cubic root of 804313 is about 92.9983042046.

The spelling of 804313 in words is "eight hundred four thousand, three hundred thirteen".