2061081 has 24 divisors (see below), whose sum is σ = 3294720. Its totient is φ = 1231200.

The previous prime is 2061079. The next prime is 2061109. The reversal of 2061081 is 1801602.

It is not a de Polignac number, because 2061081 - 2¹ = 2061079 is a prime.

It is a super-2 number, since 2×2061081² = 8496109777122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2061041) 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 in 23 ways as a sum of consecutive naturals, for example, 10696 + ... + 10886.

It is an arithmetic number, because the mean of its divisors is an integer number (137280).

2^2061081 is an apocalyptic number.

It is an amenable number.

2061081 is a deficient number, since it is larger than the sum of its proper divisors (1233639).

2061081 is a wasteful number, since it uses less digits than its factorization.

2061081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317 (or 314 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 2061081 is about 1435.6465442441. The cubic root of 2061081 is about 127.2618854556.

Adding to 2061081 its reverse (1801602), we get a palindrome (3862683).

The spelling of 2061081 in words is "two million, sixty-one thousand, eighty-one".