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161093 is a prime number
BaseRepresentation
bin100111010101000101
322011222102
4213111011
520123333
63241445
71240442
oct472505
9264872
10161093
11100039
1279285
135842a
14429c9
1532ae8
hex27545

161093 has 2 divisors, whose sum is σ = 161094. Its totient is φ = 161092.

The previous prime is 161087. The next prime is 161123. The reversal of 161093 is 390161.

161093 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113569 + 47524 = 337^2 + 218^2 .

It is an emirp because it is prime and its reverse (390161) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 161093 - 214 = 144709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (161033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80546 + 80547.

It is an arithmetic number, because the mean of its divisors is an integer number (80547).

2161093 is an apocalyptic number.

It is an amenable number.

161093 is a deficient number, since it is larger than the sum of its proper divisors (1).

161093 is an equidigital number, since it uses as much as digits as its factorization.

161093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 161093 is about 401.3639246370. The cubic root of 161093 is about 54.4116910066.

The spelling of 161093 in words is "one hundred sixty-one thousand, ninety-three".