563071961 has 4 divisors (see below), whose sum is σ = 571002624. Its totient is φ = 555141300.

The previous prime is 563071933. The next prime is 563071967. The reversal of 563071961 is 169170365.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-563071961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (563071967) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 3965225 + ... + 3965366.

It is an arithmetic number, because the mean of its divisors is an integer number (142750656).

Almost surely, 2^563071961 is an apocalyptic number.

It is an amenable number.

563071961 is a deficient number, since it is larger than the sum of its proper divisors (7930663).

563071961 is an equidigital number, since it uses as much as digits as its factorization.

563071961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7930662.

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 563071961 is about 23729.1373842371. The cubic root of 563071961 is about 825.7615061288.

The spelling of 563071961 in words is "five hundred sixty-three million, seventy-one thousand, nine hundred sixty-one".