2061671 has 6 divisors (see below), whose sum is σ = 2176272. Its totient is φ = 1952820.

The previous prime is 2061667. The next prime is 2061673. The reversal of 2061671 is 1761602.

It is not a de Polignac number, because 2061671 - 2² = 2061667 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2061673) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2495 + ... + 3216.

It is an arithmetic number, because the mean of its divisors is an integer number (362712).

2^2061671 is an apocalyptic number.

2061671 is a deficient number, since it is larger than the sum of its proper divisors (114601).

2061671 is an equidigital number, since it uses as much as digits as its factorization.

2061671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5749 (or 5730 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 2061671 is about 1435.8520118731. The cubic root of 2061671 is about 127.2740275223.

The spelling of 2061671 in words is "two million, sixty-one thousand, six hundred seventy-one".