2113009 has 4 divisors (see below), whose sum is σ = 2224240. Its totient is φ = 2001780.

The previous prime is 2113003. The next prime is 2113037. The reversal of 2113009 is 9003112.

2113009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2113009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2112983 and 2113001.

It is not an unprimeable number, because it can be changed into a prime (2113003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55587 + ... + 55624.

It is an arithmetic number, because the mean of its divisors is an integer number (556060).

2^2113009 is an apocalyptic number.

It is an amenable number.

2113009 is a deficient number, since it is larger than the sum of its proper divisors (111231).

2113009 is a wasteful number, since it uses less digits than its factorization.

2113009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111230.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 2113009 is about 1453.6192761518. The cubic root of 2113009 is about 128.3218017786.

The spelling of 2113009 in words is "two million, one hundred thirteen thousand, nine".