563505634 has 16 divisors (see below), whose sum is σ = 873141048. Its totient is φ = 272547072.

The previous prime is 563505623. The next prime is 563505643. The reversal of 563505634 is 436505365.

It can be written as a sum of positive squares in 4 ways, for example, as 533748609 + 29757025 = 23103^2 + 5455^2 .

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a junction number, because it is equal to n+sod(n) for n = 563505593 and 563505602.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9207 + ... + 34810.

Almost surely, 2^563505634 is an apocalyptic number.

563505634 is a deficient number, since it is larger than the sum of its proper divisors (309635414).

563505634 is a wasteful number, since it uses less digits than its factorization.

563505634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44229.

The product of its (nonzero) digits is 162000, while the sum is 37.

The square root of 563505634 is about 23738.2736103534. The cubic root of 563505634 is about 825.9734497736.

The spelling of 563505634 in words is "five hundred sixty-three million, five hundred five thousand, six hundred thirty-four".