861083 has 2 divisors, whose sum is σ = 861084. Its totient is φ = 861082.

The previous prime is 861079. The next prime is 861089. The reversal of 861083 is 380168.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 861083 - 2² = 861079 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (861089) 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, 430541 + 430542.

It is an arithmetic number, because the mean of its divisors is an integer number (430542).

2⁸⁶¹⁰⁸³ is an apocalyptic number.

861083 is a deficient number, since it is larger than the sum of its proper divisors (1).

861083 is an equidigital number, since it uses as much as digits as its factorization.

861083 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 861083 is about 927.9455803009. The cubic root of 861083 is about 95.1367559490.

The spelling of 861083 in words is "eight hundred sixty-one thousand, eighty-three".