563546513 has 4 divisors (see below), whose sum is σ = 563596068. Its totient is φ = 563496960.

The previous prime is 563546507. The next prime is 563546521. The reversal of 563546513 is 315645365.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 138485824 + 425060689 = 11768^2 + 20617^2 .

It is a cyclic number.

It is not a de Polignac number, because 563546513 - 2¹⁸ = 563284369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (563546573) 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, 1745 + ... + 33617.

It is an arithmetic number, because the mean of its divisors is an integer number (140899017).

Almost surely, 2^563546513 is an apocalyptic number.

It is an amenable number.

563546513 is a deficient number, since it is larger than the sum of its proper divisors (49555).

563546513 is a wasteful number, since it uses less digits than its factorization.

563546513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49554.

The product of its digits is 162000, while the sum is 38.

The square root of 563546513 is about 23739.1346303946. The cubic root of 563546513 is about 825.9934224531.

The spelling of 563546513 in words is "five hundred sixty-three million, five hundred forty-six thousand, five hundred thirteen".