563261939 has 2 divisors, whose sum is σ = 563261940. Its totient is φ = 563261938.

The previous prime is 563261929. The next prime is 563261953. The reversal of 563261939 is 939162365.

563261939 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 563261939 - 2²⁴ = 546484723 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 563261939.

It is not a weakly prime, because it can be changed into another prime (563261929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 281630969 + 281630970.

It is an arithmetic number, because the mean of its divisors is an integer number (281630970).

Almost surely, 2^563261939 is an apocalyptic number.

563261939 is a deficient number, since it is larger than the sum of its proper divisors (1).

563261939 is an equidigital number, since it uses as much as digits as its factorization.

563261939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 262440, while the sum is 44.

The square root of 563261939 is about 23733.1400998688. The cubic root of 563261939 is about 825.8543651181.

The spelling of 563261939 in words is "five hundred sixty-three million, two hundred sixty-one thousand, nine hundred thirty-nine".