2086571 has 2 divisors, whose sum is σ = 2086572. Its totient is φ = 2086570.

The previous prime is 2086549. The next prime is 2086573. The reversal of 2086571 is 1756802.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2086571 - 2⁶ = 2086507 is a prime.

Together with 2086573, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2086573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1043285 + 1043286.

It is an arithmetic number, because the mean of its divisors is an integer number (1043286).

2^2086571 is an apocalyptic number.

2086571 is a deficient number, since it is larger than the sum of its proper divisors (1).

2086571 is an equidigital number, since it uses as much as digits as its factorization.

2086571 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 2086571 is about 1444.4967981965. The cubic root of 2086571 is about 127.7843659419.

The spelling of 2086571 in words is "two million, eighty-six thousand, five hundred seventy-one".