564231803 has 4 divisors (see below), whose sum is σ = 568539048. Its totient is φ = 559924560.

The previous prime is 564231793. The next prime is 564231821. The reversal of 564231803 is 308132465.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 308132465 = 5 ⋅61626493.

It is a cyclic number.

It is not a de Polignac number, because 564231803 - 2¹⁴ = 564215419 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 564231803.

It is not an unprimeable number, because it can be changed into a prime (564231203) 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, 2153426 + ... + 2153687.

It is an arithmetic number, because the mean of its divisors is an integer number (142134762).

Almost surely, 2^564231803 is an apocalyptic number.

564231803 is a deficient number, since it is larger than the sum of its proper divisors (4307245).

564231803 is a wasteful number, since it uses less digits than its factorization.

564231803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4307244.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 564231803 is about 23753.5640062707. The cubic root of 564231803 is about 826.3280980191.

The spelling of 564231803 in words is "five hundred sixty-four million, two hundred thirty-one thousand, eight hundred three".