800952563 has 4 divisors (see below), whose sum is σ = 809952120. Its totient is φ = 791953008.

The previous prime is 800952547. The next prime is 800952599. The reversal of 800952563 is 365259008.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 800952563 - 2⁴ = 800952547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (800952533) 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 3 ways as a sum of consecutive naturals, for example, 4499645 + ... + 4499822.

It is an arithmetic number, because the mean of its divisors is an integer number (202488030).

Almost surely, 2^800952563 is an apocalyptic number.

800952563 is a deficient number, since it is larger than the sum of its proper divisors (8999557).

800952563 is an equidigital number, since it uses as much as digits as its factorization.

800952563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8999556.

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 800952563 is about 28301.1053317711. The cubic root of 800952563 is about 928.6860710628.

The spelling of 800952563 in words is "eight hundred million, nine hundred fifty-two thousand, five hundred sixty-three".