805623530 has 16 divisors (see below), whose sum is σ = 1513171584. Its totient is φ = 308238480.

The previous prime is 805623529. The next prime is 805623551. The reversal of 805623530 is 35326508.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1751126 + ... + 1751585.

It is an arithmetic number, because the mean of its divisors is an integer number (94573224).

Almost surely, 2^805623530 is an apocalyptic number.

805623530 is a deficient number, since it is larger than the sum of its proper divisors (707548054).

805623530 is a wasteful number, since it uses less digits than its factorization.

805623530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3502741.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 805623530 is about 28383.5080636626. The cubic root of 805623530 is about 930.4878659680.

The spelling of 805623530 in words is "eight hundred five million, six hundred twenty-three thousand, five hundred thirty".