2058009 has 4 divisors (see below), whose sum is σ = 2744016. Its totient is φ = 1372004.

The previous prime is 2057999. The next prime is 2058011. The reversal of 2058009 is 9008502.

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 not a de Polignac number, because 2058009 - 2¹¹ = 2055961 is a prime.

It is a D-number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2058009.

It is not an unprimeable number, because it can be changed into a prime (2058019) 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 3 ways as a sum of consecutive naturals, for example, 342999 + ... + 343004.

It is an arithmetic number, because the mean of its divisors is an integer number (686004).

2^2058009 is an apocalyptic number.

It is an amenable number.

2058009 is a deficient number, since it is larger than the sum of its proper divisors (686007).

2058009 is an equidigital number, since it uses as much as digits as its factorization.

2058009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686006.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 2058009 is about 1434.5762440526. The cubic root of 2058009 is about 127.1986269184.

The spelling of 2058009 in words is "two million, fifty-eight thousand, nine".