564833947 has 2 divisors, whose sum is σ = 564833948. Its totient is φ = 564833946.

The previous prime is 564833911. The next prime is 564834001. The reversal of 564833947 is 749338465.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 564833947 - 2²³ = 556445339 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 564833947.

It is not a weakly prime, because it can be changed into another prime (564833147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282416973 + 282416974.

It is an arithmetic number, because the mean of its divisors is an integer number (282416974).

Almost surely, 2^564833947 is an apocalyptic number.

564833947 is a deficient number, since it is larger than the sum of its proper divisors (1).

564833947 is an equidigital number, since it uses as much as digits as its factorization.

564833947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2177280, while the sum is 49.

The square root of 564833947 is about 23766.2354402206. The cubic root of 564833947 is about 826.6219439219.

The spelling of 564833947 in words is "five hundred sixty-four million, eight hundred thirty-three thousand, nine hundred forty-seven".