563400811 has 4 divisors (see below), whose sum is σ = 563454112. Its totient is φ = 563347512.

The previous prime is 563400751. The next prime is 563400823. The reversal of 563400811 is 118004365.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 118004365 = 5 ⋅23600873.

It is a cyclic number.

It is not a de Polignac number, because 563400811 - 2⁷ = 563400683 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 563400811.

It is not an unprimeable number, because it can be changed into a prime (563400881) 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 3 ways as a sum of consecutive naturals, for example, 4851 + ... + 33916.

It is an arithmetic number, because the mean of its divisors is an integer number (140863528).

Almost surely, 2^563400811 is an apocalyptic number.

563400811 is a deficient number, since it is larger than the sum of its proper divisors (53301).

563400811 is a wasteful number, since it uses less digits than its factorization.

563400811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53300.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 563400811 is about 23736.0656175365. The cubic root of 563400811 is about 825.9222308926.

The spelling of 563400811 in words is "five hundred sixty-three million, four hundred thousand, eight hundred eleven".