1045003509 has 24 divisors (see below), whose sum is σ = 1647700704. Its totient is φ = 632940000.

The previous prime is 1045003493. The next prime is 1045003511. The reversal of 1045003509 is 9053005401.

1045003509 is a `hidden beast` number, since 104 + 50 + 0 + 3 + 509 = 666.

It is not a de Polignac number, because 1045003509 - 2⁴ = 1045003493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045003009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 269434 + ... + 273284.

It is an arithmetic number, because the mean of its divisors is an integer number (68654196).

Almost surely, 2^1045003509 is an apocalyptic number.

It is an amenable number.

1045003509 is a deficient number, since it is larger than the sum of its proper divisors (602697195).

1045003509 is a wasteful number, since it uses less digits than its factorization.

1045003509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6609 (or 6606 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 1045003509 is about 32326.5140248682. The cubic root of 1045003509 is about 1014.7815974714.

The spelling of 1045003509 in words is "one billion, forty-five million, three thousand, five hundred nine".