564656503 has 8 divisors (see below), whose sum is σ = 577216640. Its totient is φ = 552218040.

The previous prime is 564656483. The next prime is 564656507. The reversal of 564656503 is 305656465.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 564656503 - 2⁵ = 564656471 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 (564656507) 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 7 ways as a sum of consecutive naturals, for example, 21003 + ... + 39628.

It is an arithmetic number, because the mean of its divisors is an integer number (72152080).

Almost surely, 2^564656503 is an apocalyptic number.

564656503 is a deficient number, since it is larger than the sum of its proper divisors (12560137).

564656503 is a wasteful number, since it uses less digits than its factorization.

564656503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60837.

The product of its (nonzero) digits is 324000, while the sum is 40.

The square root of 564656503 is about 23762.5020357706. The cubic root of 564656503 is about 826.5353730707.

The spelling of 564656503 in words is "five hundred sixty-four million, six hundred fifty-six thousand, five hundred three".