805593 has 4 divisors (see below), whose sum is σ = 1074128. Its totient is φ = 537060.

The previous prime is 805589. The next prime is 805633. The reversal of 805593 is 395508.

805593 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 805593 - 2² = 805589 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

805593 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 805593.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 805593.

It is not an unprimeable number, because it can be changed into a prime (805523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134263 + ... + 134268.

It is an arithmetic number, because the mean of its divisors is an integer number (268532).

2⁸⁰⁵⁵⁹³ is an apocalyptic number.

It is an amenable number.

805593 is a deficient number, since it is larger than the sum of its proper divisors (268535).

805593 is a wasteful number, since it uses less digits than its factorization.

805593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268534.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 805593 is about 897.5483273897. The cubic root of 805593 is about 93.0476111862.

The spelling of 805593 in words is "eight hundred five thousand, five hundred ninety-three".