563401281 has 8 divisors (see below), whose sum is σ = 790738720. Its totient is φ = 355832352.

The previous prime is 563401253. The next prime is 563401283. The reversal of 563401281 is 182104365.

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

It is not a de Polignac number, because 563401281 - 2¹⁷ = 563270209 is a prime.

It is a super-2 number, since 2×563401281² = 634842006864881922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (563401283) 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, 4942060 + ... + 4942173.

It is an arithmetic number, because the mean of its divisors is an integer number (98842340).

Almost surely, 2^563401281 is an apocalyptic number.

It is an amenable number.

563401281 is a deficient number, since it is larger than the sum of its proper divisors (227337439).

563401281 is a wasteful number, since it uses less digits than its factorization.

563401281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9884255.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 563401281 is about 23736.0755180801. The cubic root of 563401281 is about 825.9224605594.

The spelling of 563401281 in words is "five hundred sixty-three million, four hundred one thousand, two hundred eighty-one".