2011061 has 12 divisors (see below), whose sum is σ = 2245572. Its totient is φ = 1790208.

The previous prime is 2011057. The next prime is 2011069. The reversal of 2011061 is 1601102.

It can be written as a sum of positive squares in 6 ways, for example, as 8836 + 2002225 = 94^2 + 1415^2 .

It is not a de Polignac number, because 2011061 - 2² = 2011057 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 (2011069) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17741 + ... + 17853.

It is an arithmetic number, because the mean of its divisors is an integer number (187131).

2^2011061 is an apocalyptic number.

It is an amenable number.

2011061 is a deficient number, since it is larger than the sum of its proper divisors (234511).

2011061 is a wasteful number, since it uses less digits than its factorization.

2011061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200 (or 163 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 2011061 is about 1418.1188243585. The cubic root of 2011061 is about 126.2239445626.

Adding to 2011061 its reverse (1601102), we get a palindrome (3612163).

The spelling of 2011061 in words is "two million, eleven thousand, sixty-one".