563781825 has 36 divisors (see below), whose sum is σ = 1026374908. Its totient is φ = 295747200.

The previous prime is 563781817. The next prime is 563781853. The reversal of 563781825 is 528187365.

563781825 is a `hidden beast` number, since 5 + 637 + 8 + 1 + 8 + 2 + 5 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 18045504 + 545736321 = 4248^2 + 23361^2 .

It is not a de Polignac number, because 563781825 - 2³ = 563781817 is a prime.

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

It is a Duffinian number.

It is an unprimeable number.

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 35 ways as a sum of consecutive naturals, for example, 6814 + ... + 34263.

Almost surely, 2^563781825 is an apocalyptic number.

It is an amenable number.

563781825 is a deficient number, since it is larger than the sum of its proper divisors (462593083).

563781825 is a wasteful number, since it uses less digits than its factorization.

563781825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41154 (or 41146 counting only the distinct ones).

The product of its digits is 403200, while the sum is 45.

The square root of 563781825 is about 23744.0903173821. The cubic root of 563781825 is about 826.1083725138.

The spelling of 563781825 in words is "five hundred sixty-three million, seven hundred eighty-one thousand, eight hundred twenty-five".