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564389513 is a prime number
BaseRepresentation
bin100001101000111…
…110011010001001
31110022222221212022
4201220332122021
52123440431023
6132000454225
716662142322
oct4150763211
91408887768
10564389513
1126a646216
1213901a375
138cc0acbc
1454d57449
15348367c8
hex21a3e689

564389513 has 2 divisors, whose sum is σ = 564389514. Its totient is φ = 564389512.

The previous prime is 564389473. The next prime is 564389519. The reversal of 564389513 is 315983465.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 377602624 + 186786889 = 19432^2 + 13667^2 .

It is a cyclic number.

It is not a de Polignac number, because 564389513 - 214 = 564373129 is a prime.

It is not a weakly prime, because it can be changed into another prime (564389519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282194756 + 282194757.

It is an arithmetic number, because the mean of its divisors is an integer number (282194757).

Almost surely, 2564389513 is an apocalyptic number.

It is an amenable number.

564389513 is a deficient number, since it is larger than the sum of its proper divisors (1).

564389513 is an equidigital number, since it uses as much as digits as its factorization.

564389513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 388800, while the sum is 44.

The square root of 564389513 is about 23756.8834866865. The cubic root of 564389513 is about 826.4050806017.

The spelling of 564389513 in words is "five hundred sixty-four million, three hundred eighty-nine thousand, five hundred thirteen".