800521472 has 18 divisors (see below), whose sum is σ = 1597916418. Its totient is φ = 400260608.

The previous prime is 800521453. The next prime is 800521523. The reversal of 800521472 is 274125008.

It can be written as a sum of positive squares in only one way, i.e., 798401536 + 2119936 = 28256^2 + 1456^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1563263 + ... + 1563774.

Almost surely, 2^800521472 is an apocalyptic number.

It is an amenable number.

800521472 is a deficient number, since it is larger than the sum of its proper divisors (797394946).

800521472 is an equidigital number, since it uses as much as digits as its factorization.

800521472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3127053 (or 3127039 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 800521472 is about 28293.4881554042. The cubic root of 800521472 is about 928.5194277963.

The spelling of 800521472 in words is "eight hundred million, five hundred twenty-one thousand, four hundred seventy-two".