563261161 has 8 divisors (see below), whose sum is σ = 577018080. Its totient is φ = 549661728.

The previous prime is 563261131. The next prime is 563261177. The reversal of 563261161 is 161162365.

563261161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 563261161 - 2¹⁷ = 563130089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (563261131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32116 + ... + 46453.

It is an arithmetic number, because the mean of its divisors is an integer number (72127260).

Almost surely, 2^563261161 is an apocalyptic number.

It is an amenable number.

563261161 is a deficient number, since it is larger than the sum of its proper divisors (13756919).

563261161 is a wasteful number, since it uses less digits than its factorization.

563261161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78743.

The product of its digits is 6480, while the sum is 31.

The square root of 563261161 is about 23733.1237092802. The cubic root of 563261161 is about 825.8539848835.

The spelling of 563261161 in words is "five hundred sixty-three million, two hundred sixty-one thousand, one hundred sixty-one".