563238945 has 48 divisors (see below), whose sum is σ = 1033344000. Its totient is φ = 283011840.

The previous prime is 563238941. The next prime is 563238947. The reversal of 563238945 is 549832365.

563238945 is a `hidden beast` number, since 5 + 632 + 3 + 8 + 9 + 4 + 5 = 666.

It is not a de Polignac number, because 563238945 - 2² = 563238941 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 563238945.

It is not an unprimeable number, because it can be changed into a prime (563238941) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 161581 + ... + 165029.

It is an arithmetic number, because the mean of its divisors is an integer number (21528000).

Almost surely, 2^563238945 is an apocalyptic number.

It is an amenable number.

563238945 is a deficient number, since it is larger than the sum of its proper divisors (470105055).

563238945 is a wasteful number, since it uses less digits than its factorization.

563238945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3670 (or 3667 counting only the distinct ones).

The product of its digits is 777600, while the sum is 45.

The square root of 563238945 is about 23732.6556668233. The cubic root of 563238945 is about 825.8431270348.

The spelling of 563238945 in words is "five hundred sixty-three million, two hundred thirty-eight thousand, nine hundred forty-five".