564654563 has 8 divisors (see below), whose sum is σ = 637228080. Its totient is φ = 495621280.

The previous prime is 564654523. The next prime is 564654581. The reversal of 564654563 is 365456465.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 564654563 - 2⁶ = 564654499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (564654523) 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 7 ways as a sum of consecutive naturals, for example, 884720 + ... + 885357.

It is an arithmetic number, because the mean of its divisors is an integer number (79653510).

Almost surely, 2^564654563 is an apocalyptic number.

564654563 is a deficient number, since it is larger than the sum of its proper divisors (72573517).

564654563 is a wasteful number, since it uses less digits than its factorization.

564654563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1770117.

The product of its digits is 1296000, while the sum is 44.

The square root of 564654563 is about 23762.4612151183. The cubic root of 564654563 is about 826.5344264890.

The spelling of 564654563 in words is "five hundred sixty-four million, six hundred fifty-four thousand, five hundred sixty-three".