805275 has 24 divisors (see below), whose sum is σ = 1480560. Its totient is φ = 429120.

The previous prime is 805271. The next prime is 805279. The reversal of 805275 is 572508.

It is a happy number.

805275 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (805271) and next prime (805279).

It is not a de Polignac number, because 805275 - 2² = 805271 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (805271) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 79 + ... + 1271.

It is an arithmetic number, because the mean of its divisors is an integer number (61690).

2⁸⁰⁵²⁷⁵ is an apocalyptic number.

805275 is a deficient number, since it is larger than the sum of its proper divisors (675285).

805275 is a wasteful number, since it uses less digits than its factorization.

805275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1212 (or 1201 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The square root of 805275 is about 897.3711606688. The cubic root of 805275 is about 93.0353663617.

The spelling of 805275 in words is "eight hundred five thousand, two hundred seventy-five".