804132209 has 2 divisors, whose sum is σ = 804132210. Its totient is φ = 804132208.

The previous prime is 804132179. The next prime is 804132239. The reversal of 804132209 is 902231408.

It is a balanced prime because it is at equal distance from previous prime (804132179) and next prime (804132239).

It can be written as a sum of positive squares in only one way, i.e., 785400625 + 18731584 = 28025^2 + 4328^2 .

It is a cyclic number.

It is not a de Polignac number, because 804132209 - 2¹² = 804128113 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (804132239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 402066104 + 402066105.

It is an arithmetic number, because the mean of its divisors is an integer number (402066105).

Almost surely, 2^804132209 is an apocalyptic number.

It is an amenable number.

804132209 is a deficient number, since it is larger than the sum of its proper divisors (1).

804132209 is an equidigital number, since it uses as much as digits as its factorization.

804132209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 804132209 is about 28357.2249876464. The cubic root of 804132209 is about 929.9133572499.

The spelling of 804132209 in words is "eight hundred four million, one hundred thirty-two thousand, two hundred nine".