805536373 has 2 divisors, whose sum is σ = 805536374. Its totient is φ = 805536372.

The previous prime is 805536359. The next prime is 805536397. The reversal of 805536373 is 373635508.

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., 770229009 + 35307364 = 27753^2 + 5942^2 .

It is a cyclic number.

It is not a de Polignac number, because 805536373 - 2⁵ = 805536341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (805536773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 402768186 + 402768187.

It is an arithmetic number, because the mean of its divisors is an integer number (402768187).

Almost surely, 2^805536373 is an apocalyptic number.

It is an amenable number.

805536373 is a deficient number, since it is larger than the sum of its proper divisors (1).

805536373 is an equidigital number, since it uses as much as digits as its factorization.

805536373 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 226800, while the sum is 40.

The square root of 805536373 is about 28381.9726763310. The cubic root of 805536373 is about 930.4543095765.

The spelling of 805536373 in words is "eight hundred five million, five hundred thirty-six thousand, three hundred seventy-three".