2085971 has 2 divisors, whose sum is σ = 2085972. Its totient is φ = 2085970.

The previous prime is 2085947. The next prime is 2085977. The reversal of 2085971 is 1795802.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2085971 - 2¹⁰ = 2084947 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2085977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1042985 + 1042986.

It is an arithmetic number, because the mean of its divisors is an integer number (1042986).

2^2085971 is an apocalyptic number.

2085971 is a deficient number, since it is larger than the sum of its proper divisors (1).

2085971 is an equidigital number, since it uses as much as digits as its factorization.

2085971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 2085971 is about 1444.2890984841. The cubic root of 2085971 is about 127.7721165034.

The spelling of 2085971 in words is "two million, eighty-five thousand, nine hundred seventy-one".