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981017 is a prime number
BaseRepresentation
bin11101111100000011001
31211211200222
43233200121
5222343032
633005425
711224052
oct3574031
91754628
10981017
11610064
123b3875
132846ab
141b7729
15145a12
hexef819

981017 has 2 divisors, whose sum is σ = 981018. Its totient is φ = 981016.

The previous prime is 981011. The next prime is 981023. The reversal of 981017 is 710189.

It is a balanced prime because it is at equal distance from previous prime (981011) and next prime (981023).

It can be written as a sum of positive squares in only one way, i.e., 913936 + 67081 = 956^2 + 259^2 .

It is an emirp because it is prime and its reverse (710189) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-981017 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 981017.

It is not a weakly prime, because it can be changed into another prime (981011) 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, 490508 + 490509.

It is an arithmetic number, because the mean of its divisors is an integer number (490509).

2981017 is an apocalyptic number.

It is an amenable number.

981017 is a deficient number, since it is larger than the sum of its proper divisors (1).

981017 is an equidigital number, since it uses as much as digits as its factorization.

981017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 26.

The square root of 981017 is about 990.4630230352. The cubic root of 981017 is about 99.3631866289.

The spelling of 981017 in words is "nine hundred eighty-one thousand, seventeen".