804017 has 2 divisors, whose sum is σ = 804018. Its totient is φ = 804016.

The previous prime is 804007. The next prime is 804031. The reversal of 804017 is 710408.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 524176 + 279841 = 724^2 + 529^2 .

It is a cyclic number.

It is not a de Polignac number, because 804017 - 2¹² = 799921 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 804017.

It is not a weakly prime, because it can be changed into another prime (804007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 402008 + 402009.

It is an arithmetic number, because the mean of its divisors is an integer number (402009).

2⁸⁰⁴⁰¹⁷ is an apocalyptic number.

It is an amenable number.

804017 is a deficient number, since it is larger than the sum of its proper divisors (1).

804017 is an equidigital number, since it uses as much as digits as its factorization.

804017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 804017 is about 896.6699504277. The cubic root of 804017 is about 92.9868945189.

It can be divided in two parts, 80401 and 7, that added together give a palindrome (80408).

The spelling of 804017 in words is "eight hundred four thousand, seventeen".