805075 has 6 divisors (see below), whose sum is σ = 998324. Its totient is φ = 644040.

The previous prime is 805073. The next prime is 805081. The reversal of 805075 is 570508.

It is not a de Polignac number, because 805075 - 2¹ = 805073 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 32203 = 805075 / (8 + 0 + 5 + 0 + 7 + 5).

It is a Duffinian number.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (805073) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16077 + ... + 16126.

2⁸⁰⁵⁰⁷⁵ is an apocalyptic number.

805075 is a deficient number, since it is larger than the sum of its proper divisors (193249).

805075 is a wasteful number, since it uses less digits than its factorization.

805075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32213 (or 32208 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 805075 is about 897.2597171388. The cubic root of 805075 is about 93.0276635629.

The spelling of 805075 in words is "eight hundred five thousand, seventy-five".