805534 has 4 divisors (see below), whose sum is σ = 1208304. Its totient is φ = 402766.

The previous prime is 805531. The next prime is 805537. The reversal of 805534 is 435508.

It is a happy number.

805534 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.

It is an interprime number because it is at equal distance from previous prime (805531) and next prime (805537).

It is a junction number, because it is equal to n+sod(n) for n = 805499 and 805508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (805531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201382 + ... + 201385.

It is an arithmetic number, because the mean of its divisors is an integer number (302076).

2⁸⁰⁵⁵³⁴ is an apocalyptic number.

805534 is a deficient number, since it is larger than the sum of its proper divisors (402770).

805534 is a wasteful number, since it uses less digits than its factorization.

805534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402769.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 805534 is about 897.5154594769. The cubic root of 805534 is about 93.0453395912.

The spelling of 805534 in words is "eight hundred five thousand, five hundred thirty-four".