563973481 has 2 divisors, whose sum is σ = 563973482. Its totient is φ = 563973480.

The previous prime is 563973479. The next prime is 563973497. The reversal of 563973481 is 184379365.

563973481 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 can be written as a sum of positive squares in only one way, i.e., 511483456 + 52490025 = 22616^2 + 7245^2 .

It is a cyclic number.

It is not a de Polignac number, because 563973481 - 2¹ = 563973479 is a prime.

It is a super-2 number, since 2×563973481² = 636132174542514722, which contains 22 as substring.

Together with 563973479, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (563973401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 281986740 + 281986741.

It is an arithmetic number, because the mean of its divisors is an integer number (281986741).

Almost surely, 2^563973481 is an apocalyptic number.

It is an amenable number.

563973481 is a deficient number, since it is larger than the sum of its proper divisors (1).

563973481 is an equidigital number, since it uses as much as digits as its factorization.

563973481 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 563973481 is about 23748.1258418428. The cubic root of 563973481 is about 826.2019729584.

The spelling of 563973481 in words is "five hundred sixty-three million, nine hundred seventy-three thousand, four hundred eighty-one".