564426671 has 2 divisors, whose sum is σ = 564426672. Its totient is φ = 564426670.

The previous prime is 564426617. The next prime is 564426689. The reversal of 564426671 is 176624465.

It is a happy number.

Together with previous prime (564426617) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 564426671 - 2¹⁸ = 564164527 is a prime.

It is a super-2 number, since 2×564426671² = 637154933872284482, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (564426271) 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 as a sum of consecutive naturals, namely, 282213335 + 282213336.

It is an arithmetic number, because the mean of its divisors is an integer number (282213336).

Almost surely, 2^564426671 is an apocalyptic number.

564426671 is a deficient number, since it is larger than the sum of its proper divisors (1).

564426671 is an equidigital number, since it uses as much as digits as its factorization.

564426671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 241920, while the sum is 41.

The square root of 564426671 is about 23757.6655208377. The cubic root of 564426671 is about 826.4232163545.

The spelling of 564426671 in words is "five hundred sixty-four million, four hundred twenty-six thousand, six hundred seventy-one".