563811382 has 4 divisors (see below), whose sum is σ = 845717076. Its totient is φ = 281905690.

The previous prime is 563811379. The next prime is 563811401. The reversal of 563811382 is 283118365.

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

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 140952844 + ... + 140952847.

It is an arithmetic number, because the mean of its divisors is an integer number (211429269).

Almost surely, 2^563811382 is an apocalyptic number.

563811382 is a deficient number, since it is larger than the sum of its proper divisors (281905694).

563811382 is a wasteful number, since it uses less digits than its factorization.

563811382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281905693.

The product of its digits is 34560, while the sum is 37.

The square root of 563811382 is about 23744.7127167292. The cubic root of 563811382 is about 826.1228088657.

It can be divided in two parts, 5638 and 11382, that added together give a triangular number (17020 = T₁₈₄).

The spelling of 563811382 in words is "five hundred sixty-three million, eight hundred eleven thousand, three hundred eighty-two".