564918043 has 4 divisors (see below), whose sum is σ = 575576928. Its totient is φ = 554259160.

The previous prime is 564918037. The next prime is 564918061. The reversal of 564918043 is 340819465.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 564918043 - 2²¹ = 562820891 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 564917987 and 564918005.

It is not an unprimeable number, because it can be changed into a prime (564918073) 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, 5329363 + ... + 5329468.

It is an arithmetic number, because the mean of its divisors is an integer number (143894232).

Almost surely, 2^564918043 is an apocalyptic number.

564918043 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

564918043 is a deficient number, since it is larger than the sum of its proper divisors (10658885).

564918043 is a wasteful number, since it uses less digits than its factorization.

564918043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10658884.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 564918043 is about 23768.0046070342. The cubic root of 564918043 is about 826.6629660958.

The spelling of 564918043 in words is "five hundred sixty-four million, nine hundred eighteen thousand, forty-three".