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564835669 is a prime number
BaseRepresentation
bin100001101010101…
…011010101010101
31110100211121212121
4201222223111111
52124044220134
6132014215541
716666011136
oct4152532525
91410747777
10564835669
1126a920442
121391b45b1
13900360b8
1455031c8d
15348c3ab4
hex21aab555

564835669 has 2 divisors, whose sum is σ = 564835670. Its totient is φ = 564835668.

The previous prime is 564835627. The next prime is 564835699. The reversal of 564835669 is 966538465.

564835669 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 560268900 + 4566769 = 23670^2 + 2137^2 .

It is a cyclic number.

It is not a de Polignac number, because 564835669 - 213 = 564827477 is a prime.

It is a super-2 number, since 2×5648356692 = 638078665949355122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (564835619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282417834 + 282417835.

It is an arithmetic number, because the mean of its divisors is an integer number (282417835).

Almost surely, 2564835669 is an apocalyptic number.

It is an amenable number.

564835669 is a deficient number, since it is larger than the sum of its proper divisors (1).

564835669 is an equidigital number, since it uses as much as digits as its factorization.

564835669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4665600, while the sum is 52.

The square root of 564835669 is about 23766.2716680593. The cubic root of 564835669 is about 826.6227839573.

It can be divided in two parts, 564835 and 669, that added together give a square (565504 = 7522).

The spelling of 564835669 in words is "five hundred sixty-four million, eight hundred thirty-five thousand, six hundred sixty-nine".