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130564517 is a prime number
BaseRepresentation
bin1111100100001…
…00000110100101
3100002200100211212
413302010012211
5231411031032
620542241205
73143531366
oct762040645
9302610755
10130564517
1167778066
1237886205
1321085715
14134a9b6d
15b6e0bb2
hex7c841a5

130564517 has 2 divisors, whose sum is σ = 130564518. Its totient is φ = 130564516.

The previous prime is 130564501. The next prime is 130564571. The reversal of 130564517 is 715465031.

Together with next prime (130564571) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 129640996 + 923521 = 11386^2 + 961^2 .

It is an emirp because it is prime and its reverse (715465031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 130564517 - 24 = 130564501 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130564117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65282258 + 65282259.

It is an arithmetic number, because the mean of its divisors is an integer number (65282259).

Almost surely, 2130564517 is an apocalyptic number.

It is an amenable number.

130564517 is a deficient number, since it is larger than the sum of its proper divisors (1).

130564517 is an equidigital number, since it uses as much as digits as its factorization.

130564517 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 130564517 is about 11426.4831422446. The cubic root of 130564517 is about 507.3119068062.

The spelling of 130564517 in words is "one hundred thirty million, five hundred sixty-four thousand, five hundred seventeen".