804653 has 2 divisors, whose sum is σ = 804654. Its totient is φ = 804652.

The previous prime is 804619. The next prime is 804689. The reversal of 804653 is 356408.

804653 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 779689 + 24964 = 883^2 + 158^2 .

It is a cyclic number.

It is not a de Polignac number, because 804653 - 2⁶ = 804589 is a prime.

It is a plaindrome in base 9 and base 13.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (804613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 402326 + 402327.

It is an arithmetic number, because the mean of its divisors is an integer number (402327).

2⁸⁰⁴⁶⁵³ is an apocalyptic number.

It is an amenable number.

804653 is a deficient number, since it is larger than the sum of its proper divisors (1).

804653 is an equidigital number, since it uses as much as digits as its factorization.

804653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 804653 is about 897.0245258631. The cubic root of 804653 is about 93.0114064708.

The spelling of 804653 in words is "eight hundred four thousand, six hundred fifty-three".