563488261 has 8 divisors (see below), whose sum is σ = 648688320. Its totient is φ = 479463648.

The previous prime is 563488259. The next prime is 563488267. The reversal of 563488261 is 162884365.

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 563488261 - 2¹ = 563488259 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (563488267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 292831 + ... + 294748.

It is an arithmetic number, because the mean of its divisors is an integer number (81086040).

Almost surely, 2^563488261 is an apocalyptic number.

It is an amenable number.

563488261 is a deficient number, since it is larger than the sum of its proper divisors (85200059).

563488261 is a wasteful number, since it uses less digits than its factorization.

563488261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587723.

The product of its digits is 276480, while the sum is 43.

The square root of 563488261 is about 23737.9076794902. The cubic root of 563488261 is about 825.9649613733.

The spelling of 563488261 in words is "five hundred sixty-three million, four hundred eighty-eight thousand, two hundred sixty-one".