564521532617 has 4 divisors (see below), whose sum is σ = 645167465856. Its totient is φ = 483875599380.

The previous prime is 564521532593. The next prime is 564521532661. The reversal of 564521532617 is 716235125465.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 716235125465 = 5 ⋅143247025093.

It is a cyclic number.

It is not a de Polignac number, because 564521532617 - 2¹² = 564521528521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (564521532917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40322966609 + ... + 40322966622.

It is an arithmetic number, because the mean of its divisors is an integer number (161291866464).

Almost surely, 2^564521532617 is an apocalyptic number.

It is an amenable number.

564521532617 is a deficient number, since it is larger than the sum of its proper divisors (80645933239).

564521532617 is an equidigital number, since it uses as much as digits as its factorization.

564521532617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80645933238.

The product of its digits is 1512000, while the sum is 47.

The spelling of 564521532617 in words is "five hundred sixty-four billion, five hundred twenty-one million, five hundred thirty-two thousand, six hundred seventeen".