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17012081 is a prime number
BaseRepresentation
bin100000011100…
…1010101110001
31012000022012002
41000321111301
513323341311
61404343345
7264412622
oct100712561
935008162
1017012081
11966a479
125844b55
1336a8428
14238ba49
15176093b
hex1039571

17012081 has 2 divisors, whose sum is σ = 17012082. Its totient is φ = 17012080.

The previous prime is 17012077. The next prime is 17012101. The reversal of 17012081 is 18021071.

It is an a-pointer prime, because the next prime (17012101) can be obtained adding 17012081 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15335056 + 1677025 = 3916^2 + 1295^2 .

It is a cyclic number.

It is not a de Polignac number, because 17012081 - 22 = 17012077 is a prime.

It is a super-2 number, since 2×170120812 = 578821799901122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (17012041) 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, 8506040 + 8506041.

It is an arithmetic number, because the mean of its divisors is an integer number (8506041).

Almost surely, 217012081 is an apocalyptic number.

It is an amenable number.

17012081 is a deficient number, since it is larger than the sum of its proper divisors (1).

17012081 is an equidigital number, since it uses as much as digits as its factorization.

17012081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 20.

The square root of 17012081 is about 4124.5704018722. The cubic root of 17012081 is about 257.1890537665.

The spelling of 17012081 in words is "seventeen million, twelve thousand, eighty-one".