1003004213 has 4 divisors (see below), whose sum is σ = 1005583020. Its totient is φ = 1000425408.

The previous prime is 1003004207. The next prime is 1003004257. The reversal of 1003004213 is 3124003001.

1003004213 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.

It can be written as a sum of positive squares in 2 ways, for example, as 476898244 + 526105969 = 21838^2 + 22937^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1003004213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003004203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1288820 + ... + 1289597.

It is an arithmetic number, because the mean of its divisors is an integer number (251395755).

Almost surely, 2^1003004213 is an apocalyptic number.

It is an amenable number.

1003004213 is a deficient number, since it is larger than the sum of its proper divisors (2578807).

1003004213 is an equidigital number, since it uses as much as digits as its factorization.

1003004213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2578806.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1003004213 is about 31670.2417578395. The cubic root of 1003004213 is about 1001.0004031930. Note that the first 3 decimals are identical.

Adding to 1003004213 its reverse (3124003001), we get a palindrome (4127007214).

The spelling of 1003004213 in words is "one billion, three million, four thousand, two hundred thirteen".