805500530 has 16 divisors (see below), whose sum is σ = 1456406784. Its totient is φ = 320754480.

The previous prime is 805500461. The next prime is 805500539. The reversal of 805500530 is 35005508.

It is a super-2 number, since 2×805500530² = 1297662207660561800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 805500530.

It is not an unprimeable number, because it can be changed into a prime (805500539) by changing a digit.

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, 178376 + ... + 182835.

It is an arithmetic number, because the mean of its divisors is an integer number (91025424).

Almost surely, 2^805500530 is an apocalyptic number.

805500530 is a deficient number, since it is larger than the sum of its proper divisors (650906254).

805500530 is a wasteful number, since it uses less digits than its factorization.

805500530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361441.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 805500530 is about 28381.3412297587. The cubic root of 805500530 is about 930.4405089298.

The spelling of 805500530 in words is "eight hundred five million, five hundred thousand, five hundred thirty".