2071771 has 16 divisors (see below), whose sum is σ = 2399040. Its totient is φ = 1784640.

The previous prime is 2071759. The next prime is 2071781. The reversal of 2071771 is 1771702.

It is not a de Polignac number, because 2071771 - 2⁹ = 2071259 is a prime.

It is a Duffinian number.

2071771 is a lucky number.

It is a zygodrome in base 6.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2071711) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50511 + ... + 50551.

It is an arithmetic number, because the mean of its divisors is an integer number (149940).

2^2071771 is an apocalyptic number.

2071771 is a deficient number, since it is larger than the sum of its proper divisors (327269).

2071771 is an equidigital number, since it uses as much as digits as its factorization.

2071771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103 (or 77 counting only the distinct ones).

The product of its (nonzero) digits is 686, while the sum is 25.

The square root of 2071771 is about 1439.3647904545. The cubic root of 2071771 is about 127.4815249406.

The spelling of 2071771 in words is "two million, seventy-one thousand, seven hundred seventy-one".