2003011004 has 6 divisors (see below), whose sum is σ = 3505269264. Its totient is φ = 1001505500.

The previous prime is 2003010991. The next prime is 2003011019. The reversal of 2003011004 is 4001103002.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250376372 + ... + 250376379.

It is an arithmetic number, because the mean of its divisors is an integer number (584211544).

Almost surely, 2^2003011004 is an apocalyptic number.

It is an amenable number.

2003011004 is a deficient number, since it is larger than the sum of its proper divisors (1502258260).

2003011004 is a wasteful number, since it uses less digits than its factorization.

2003011004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500752755 (or 500752753 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 2003011004 is about 44755.0109373241. The cubic root of 2003011004 is about 1260.5530040849.

Adding to 2003011004 its reverse (4001103002), we get a palindrome (6004114006).

The spelling of 2003011004 in words is "two billion, three million, eleven thousand, four".