105865061 has 2 divisors, whose sum is σ = 105865062. Its totient is φ = 105865060.

The previous prime is 105865037. The next prime is 105865063. The reversal of 105865061 is 160568501.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100620961 + 5244100 = 10031^2 + 2290^2 .

It is a cyclic number.

It is not a de Polignac number, because 105865061 - 2¹⁰ = 105864037 is a prime.

It is a super-2 number, since 2×105865061² = 22414822281067442, which contains 22 as substring.

Together with 105865063, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105865063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52932530 + 52932531.

It is an arithmetic number, because the mean of its divisors is an integer number (52932531).

Almost surely, 2^105865061 is an apocalyptic number.

It is an amenable number.

105865061 is a deficient number, since it is larger than the sum of its proper divisors (1).

105865061 is an equidigital number, since it uses as much as digits as its factorization.

105865061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 32.

The square root of 105865061 is about 10289.0748369326. The cubic root of 105865061 is about 473.0614413613.

The spelling of 105865061 in words is "one hundred five million, eight hundred sixty-five thousand, sixty-one".