805097 has 2 divisors, whose sum is σ = 805098. Its totient is φ = 805096.

The previous prime is 805081. The next prime is 805099. The reversal of 805097 is 790508.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 732736 + 72361 = 856^2 + 269^2 .

It is a cyclic number.

It is not a de Polignac number, because 805097 - 2⁴ = 805081 is a prime.

Together with 805099, it forms a pair of twin primes.

It is a Chen prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 805097.

It is not a weakly prime, because it can be changed into another prime (805099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 402548 + 402549.

It is an arithmetic number, because the mean of its divisors is an integer number (402549).

2⁸⁰⁵⁰⁹⁷ is an apocalyptic number.

It is an amenable number.

805097 is a deficient number, since it is larger than the sum of its proper divisors (1).

805097 is an equidigital number, since it uses as much as digits as its factorization.

805097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 805097 is about 897.2719766046. The cubic root of 805097 is about 93.0285109333.

The spelling of 805097 in words is "eight hundred five thousand, ninety-seven".