563578481 has 4 divisors (see below), whose sum is σ = 581758464. Its totient is φ = 545398500.

The previous prime is 563578471. The next prime is 563578507. The reversal of 563578481 is 184875365.

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, and also an emirpimes, since its reverse is a distinct semiprime: 184875365 = 5 ⋅36975073.

It is not a de Polignac number, because 563578481 - 2⁶ = 563578417 is a prime.

It is a super-2 number, since 2×563578481² = 635241408492534722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (563578471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9089945 + ... + 9090006.

It is an arithmetic number, because the mean of its divisors is an integer number (145439616).

Almost surely, 2^563578481 is an apocalyptic number.

It is an amenable number.

563578481 is a deficient number, since it is larger than the sum of its proper divisors (18179983).

563578481 is a wasteful number, since it uses less digits than its factorization.

563578481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18179982.

The product of its digits is 806400, while the sum is 47.

The square root of 563578481 is about 23739.8079394084. The cubic root of 563578481 is about 826.0090407193.

The spelling of 563578481 in words is "five hundred sixty-three million, five hundred seventy-eight thousand, four hundred eighty-one".