564438047 has 2 divisors, whose sum is σ = 564438048. Its totient is φ = 564438046.

The previous prime is 564438023. The next prime is 564438067. The reversal of 564438047 is 740834465.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 564438047 - 2¹⁰ = 564437023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 564437995 and 564438013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (564438067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282219023 + 282219024.

It is an arithmetic number, because the mean of its divisors is an integer number (282219024).

Almost surely, 2^564438047 is an apocalyptic number.

564438047 is a deficient number, since it is larger than the sum of its proper divisors (1).

564438047 is an equidigital number, since it uses as much as digits as its factorization.

564438047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 322560, while the sum is 41.

The square root of 564438047 is about 23757.9049370941. The cubic root of 564438047 is about 826.4287684943.

The spelling of 564438047 in words is "five hundred sixty-four million, four hundred thirty-eight thousand, forty-seven".