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6452252809 is a prime number
BaseRepresentation
bin1100000001001010…
…11001000010001001
3121122200001101220021
412000211121002021
5101203234042214
62544130100441
7315615146452
oct60045310211
917580041807
106452252809
112811146042
121300a1a721
137ba9a3c92
14452cd6129
1527b6bd924
hex180959089

6452252809 has 2 divisors, whose sum is σ = 6452252810. Its totient is φ = 6452252808.

The previous prime is 6452252783. The next prime is 6452252831. The reversal of 6452252809 is 9082522546.

6452252809 is digitally balanced in base 3, 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., 5649777225 + 802475584 = 75165^2 + 28328^2 .

It is a cyclic number.

It is not a de Polignac number, because 6452252809 - 215 = 6452220041 is a prime.

It is a super-3 number, since 3×64522528093 (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (6452252839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3226126404 + 3226126405.

It is an arithmetic number, because the mean of its divisors is an integer number (3226126405).

Almost surely, 26452252809 is an apocalyptic number.

It is an amenable number.

6452252809 is a deficient number, since it is larger than the sum of its proper divisors (1).

6452252809 is an equidigital number, since it uses as much as digits as its factorization.

6452252809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 345600, while the sum is 43.

The square root of 6452252809 is about 80325.9161728019. The cubic root of 6452252809 is about 1861.6746786644.

The spelling of 6452252809 in words is "six billion, four hundred fifty-two million, two hundred fifty-two thousand, eight hundred nine".