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82041313 is a prime number
BaseRepresentation
bin1001110001111…
…01100111100001
312201101010112011
410320331213201
5132000310223
612050232521
72014224334
oct470754741
9181333464
1082041313
1142345942
1223585741
1313cc6573
14ac7861b
15730880d
hex4e3d9e1

82041313 has 2 divisors, whose sum is σ = 82041314. Its totient is φ = 82041312.

The previous prime is 82041293. The next prime is 82041331. The reversal of 82041313 is 31314028.

Together with next prime (82041331) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81595089 + 446224 = 9033^2 + 668^2 .

It is a cyclic number.

It is not a de Polignac number, because 82041313 - 29 = 82040801 is a prime.

It is not a weakly prime, because it can be changed into another prime (82041343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41020656 + 41020657.

It is an arithmetic number, because the mean of its divisors is an integer number (41020657).

Almost surely, 282041313 is an apocalyptic number.

It is an amenable number.

82041313 is a deficient number, since it is larger than the sum of its proper divisors (1).

82041313 is an equidigital number, since it uses as much as digits as its factorization.

82041313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 82041313 is about 9057.6659797102. The cubic root of 82041313 is about 434.5210971255.

The spelling of 82041313 in words is "eighty-two million, forty-one thousand, three hundred thirteen".