564550897 has 2 divisors, whose sum is σ = 564550898. Its totient is φ = 564550896.

The previous prime is 564550879. The next prime is 564550937. The reversal of 564550897 is 798055465.

564550897 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (564550879) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 564110001 + 440896 = 23751^2 + 664^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-564550897 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 564550897.

It is not a weakly prime, because it can be changed into another prime (564550817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282275448 + 282275449.

It is an arithmetic number, because the mean of its divisors is an integer number (282275449).

Almost surely, 2^564550897 is an apocalyptic number.

It is an amenable number.

564550897 is a deficient number, since it is larger than the sum of its proper divisors (1).

564550897 is an equidigital number, since it uses as much as digits as its factorization.

564550897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512000, while the sum is 49.

The square root of 564550897 is about 23760.2798173759. The cubic root of 564550897 is about 826.4838417200.

The spelling of 564550897 in words is "five hundred sixty-four million, five hundred fifty thousand, eight hundred ninety-seven".