2009061 has 6 divisors (see below), whose sum is σ = 2901990. Its totient is φ = 1339368.

The previous prime is 2009039. The next prime is 2009069. The reversal of 2009061 is 1609002.

It can be written as a sum of positive squares in only one way, i.e., 1252161 + 756900 = 1119^2 + 870^2 .

It is not a de Polignac number, because 2009061 - 2⁷ = 2008933 is a prime.

It is a super-2 number, since 2×2009061² = 8072652203442, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2009069) 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, 111606 + ... + 111623.

It is an arithmetic number, because the mean of its divisors is an integer number (483665).

2^2009061 is an apocalyptic number.

It is an amenable number.

2009061 is a deficient number, since it is larger than the sum of its proper divisors (892929).

2009061 is a wasteful number, since it uses less digits than its factorization.

2009061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223235 (or 223232 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 2009061 is about 1417.4134894236. The cubic root of 2009061 is about 126.1820874497.

It can be divided in two parts, 200 and 9061, that added together give a cube (9261 = 21³).

The spelling of 2009061 in words is "two million, nine thousand, sixty-one".