2061771 has 8 divisors (see below), whose sum is σ = 2764944. Its totient is φ = 1366560.

The previous prime is 2061757. The next prime is 2061793. The reversal of 2061771 is 1771602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2061771 - 2¹¹ = 2059723 is a prime.

2061771 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2061271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1356 + ... + 2441.

It is an arithmetic number, because the mean of its divisors is an integer number (345618).

2^2061771 is an apocalyptic number.

2061771 is a deficient number, since it is larger than the sum of its proper divisors (703173).

2061771 is a wasteful number, since it uses less digits than its factorization.

2061771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3981.

The product of its (nonzero) digits is 588, while the sum is 24.

The square root of 2061771 is about 1435.8868339810. The cubic root of 2061771 is about 127.2760852701.

The spelling of 2061771 in words is "two million, sixty-one thousand, seven hundred seventy-one".