3000138503 has 2 divisors, whose sum is σ = 3000138504. Its totient is φ = 3000138502.

The previous prime is 3000138497. The next prime is 3000138623. The reversal of 3000138503 is 3058310003.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3000138503 - 2¹⁰ = 3000137479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3000138103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1500069251 + 1500069252.

It is an arithmetic number, because the mean of its divisors is an integer number (1500069252).

Almost surely, 2^3000138503 is an apocalyptic number.

3000138503 is a deficient number, since it is larger than the sum of its proper divisors (1).

3000138503 is an equidigital number, since it uses as much as digits as its factorization.

3000138503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 3000138503 is about 54773.5200895469. The cubic root of 3000138503 is about 1442.2717650650.

Adding to 3000138503 its reverse (3058310003), we get a palindrome (6058448506).

The spelling of 3000138503 in words is "three billion, one hundred thirty-eight thousand, five hundred three".