2009057 has 4 divisors (see below), whose sum is σ = 2016960. Its totient is φ = 2001156.

The previous prime is 2009039. The next prime is 2009069. The reversal of 2009057 is 7509002.

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 2009057 - 2¹⁰ = 2008033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2009857) 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, 3557 + ... + 4082.

It is an arithmetic number, because the mean of its divisors is an integer number (504240).

2^2009057 is an apocalyptic number.

It is an amenable number.

2009057 is a deficient number, since it is larger than the sum of its proper divisors (7903).

2009057 is an equidigital number, since it uses as much as digits as its factorization.

2009057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7902.

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 2009057 is about 1417.4120784020. The cubic root of 2009057 is about 126.1820037077.

Subtracting 2009057 from its reverse (7509002), we obtain a palindrome (5499945).

The spelling of 2009057 in words is "two million, nine thousand, fifty-seven".