564506533 has 4 divisors (see below), whose sum is σ = 564945088. Its totient is φ = 564067980.

The previous prime is 564506461. The next prime is 564506543. The reversal of 564506533 is 335605465.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-564506533 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 564506492 and 564506501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564506543) 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, 217341 + ... + 219922.

It is an arithmetic number, because the mean of its divisors is an integer number (141236272).

Almost surely, 2^564506533 is an apocalyptic number.

It is an amenable number.

564506533 is a deficient number, since it is larger than the sum of its proper divisors (438555).

564506533 is a wasteful number, since it uses less digits than its factorization.

564506533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438554.

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

The square root of 564506533 is about 23759.3462241704. The cubic root of 564506533 is about 826.4621920099.

The spelling of 564506533 in words is "five hundred sixty-four million, five hundred six thousand, five hundred thirty-three".