563563901 has 4 divisors (see below), whose sum is σ = 577309404. Its totient is φ = 549818400.

The previous prime is 563563859. The next prime is 563563937. The reversal of 563563901 is 109365365.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 327972100 + 235591801 = 18110^2 + 15349^2 .

It is a cyclic number.

It is not a de Polignac number, because 563563901 - 2⁶ = 563563837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (563563951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6872690 + ... + 6872771.

It is an arithmetic number, because the mean of its divisors is an integer number (144327351).

Almost surely, 2^563563901 is an apocalyptic number.

It is an amenable number.

563563901 is a deficient number, since it is larger than the sum of its proper divisors (13745503).

563563901 is a wasteful number, since it uses less digits than its factorization.

563563901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13745502.

The product of its (nonzero) digits is 72900, while the sum is 38.

The square root of 563563901 is about 23739.5008582742. The cubic root of 563563901 is about 826.0019175968.

The spelling of 563563901 in words is "five hundred sixty-three million, five hundred sixty-three thousand, nine hundred one".