2003071 has 6 divisors (see below), whose sum is σ = 2330160. Its totient is φ = 1716876.

The previous prime is 2003051. The next prime is 2003081. The reversal of 2003071 is 1703002.

It is not a de Polignac number, because 2003071 - 2¹³ = 1994879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2003011) 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 5 ways as a sum of consecutive naturals, for example, 20391 + ... + 20488.

It is an arithmetic number, because the mean of its divisors is an integer number (388360).

2^2003071 is an apocalyptic number.

2003071 is a deficient number, since it is larger than the sum of its proper divisors (327089).

2003071 is an equidigital number, since it uses as much as digits as its factorization.

2003071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40893 (or 40886 counting only the distinct ones).

The product of its (nonzero) digits is 42, while the sum is 13.

The square root of 2003071 is about 1415.2989083582. The cubic root of 2003071 is about 126.0565589701.

Adding to 2003071 its reverse (1703002), we get a palindrome (3706073).

The spelling of 2003071 in words is "two million, three thousand, seventy-one".