2009011 has 2 divisors, whose sum is σ = 2009012. Its totient is φ = 2009010.

The previous prime is 2008973. The next prime is 2009039. The reversal of 2009011 is 1109002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2009011 - 2⁷ = 2008883 is a prime.

It is a super-2 number, since 2×2009011² = 8072250396242, which contains 22 as substring.

It is a pancake number, because a pancake can be divided into 2009011 parts by 2004 straight cuts.

It is a junction number, because it is equal to n+sod(n) for n = 2008982 and 2009000.

It is not a weakly prime, because it can be changed into another prime (2009311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1004505 + 1004506.

It is an arithmetic number, because the mean of its divisors is an integer number (1004506).

2^2009011 is an apocalyptic number.

2009011 is a deficient number, since it is larger than the sum of its proper divisors (1).

2009011 is an equidigital number, since it uses as much as digits as its factorization.

2009011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 2009011 is about 1417.3958515531. The cubic root of 2009011 is about 126.1810406661.

Subtracting from 2009011 its reverse (1109002), we obtain a palindrome (900009).

The spelling of 2009011 in words is "two million, nine thousand, eleven".