563978143 has 2 divisors, whose sum is σ = 563978144. Its totient is φ = 563978142.

The previous prime is 563978119. The next prime is 563978189. The reversal of 563978143 is 341879365.

It is an a-pointer prime, because the next prime (563978189) can be obtained adding 563978143 to its sum of digits (46).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-563978143 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 563978093 and 563978102.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (563978113) 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 as a sum of consecutive naturals, namely, 281989071 + 281989072.

It is an arithmetic number, because the mean of its divisors is an integer number (281989072).

Almost surely, 2^563978143 is an apocalyptic number.

563978143 is a deficient number, since it is larger than the sum of its proper divisors (1).

563978143 is an equidigital number, since it uses as much as digits as its factorization.

563978143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 544320, while the sum is 46.

The square root of 563978143 is about 23748.2239967539. The cubic root of 563978143 is about 826.2042495093.

The spelling of 563978143 in words is "five hundred sixty-three million, nine hundred seventy-eight thousand, one hundred forty-three".