1003149509 has 2 divisors, whose sum is σ = 1003149510. Its totient is φ = 1003149508.

The previous prime is 1003149467. The next prime is 1003149571. The reversal of 1003149509 is 9059413001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 990864484 + 12285025 = 31478^2 + 3505^2 .

It is an emirp because it is prime and its reverse (9059413001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1003149509 - 2⁸ = 1003149253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1003149109) 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, 501574754 + 501574755.

It is an arithmetic number, because the mean of its divisors is an integer number (501574755).

Almost surely, 2^1003149509 is an apocalyptic number.

It is an amenable number.

1003149509 is a deficient number, since it is larger than the sum of its proper divisors (1).

1003149509 is an equidigital number, since it uses as much as digits as its factorization.

1003149509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 1003149509 is about 31672.5355631658. The cubic root of 1003149509 is about 1001.0487361014.

The spelling of 1003149509 in words is "one billion, three million, one hundred forty-nine thousand, five hundred nine".