805132563 has 16 divisors (see below), whose sum is σ = 1147700736. Its totient is φ = 500273280.

The previous prime is 805132553. The next prime is 805132577. The reversal of 805132563 is 365231508.

It is not a de Polignac number, because 805132563 - 2⁹ = 805132051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (805132553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71383 + ... + 81888.

It is an arithmetic number, because the mean of its divisors is an integer number (71731296).

Almost surely, 2^805132563 is an apocalyptic number.

805132563 is a deficient number, since it is larger than the sum of its proper divisors (342568173).

805132563 is a wasteful number, since it uses less digits than its factorization.

805132563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153394.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 805132563 is about 28374.8579379704. The cubic root of 805132563 is about 930.2988067472.

The spelling of 805132563 in words is "eight hundred five million, one hundred thirty-two thousand, five hundred sixty-three".