386161 has 2 divisors, whose sum is σ = 386162. Its totient is φ = 386160.
The previous prime is 386159. The next prime is 386173. The reversal of 386161 is 161683.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 250000 + 136161 = 500^2 + 369^2 .
It is an emirp because it is prime and its reverse (161683) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 386161 - 21 = 386159 is a prime.
Together with 386159, it forms a pair of twin primes.
386161 is a lucky number.
It is not a weakly prime, because it can be changed into another prime (386131) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193080 + 193081.
It is an arithmetic number, because the mean of its divisors is an integer number (193081).
2386161 is an apocalyptic number.
It is an amenable number.
386161 is a deficient number, since it is larger than the sum of its proper divisors (1).
386161 is an equidigital number, since it uses as much as digits as its factorization.
386161 is an evil number, because the sum of its binary digits is even.
The product of its digits is 864, while the sum is 25.
The square root of 386161 is about 621.4185385069. The cubic root of 386161 is about 72.8209158796.
The spelling of 386161 in words is "three hundred eighty-six thousand, one hundred sixty-one".
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