1073544065 has 12 divisors (see below), whose sum is σ = 1416014292. Its totient is φ = 780758880.

The previous prime is 1073544037. The next prime is 1073544071. The reversal of 1073544065 is 5604453701.

It can be written as a sum of positive squares in 2 ways, for example, as 232776049 + 840768016 = 15257^2 + 28996^2 .

It is not a de Polignac number, because 1073544065 - 2¹⁰ = 1073543041 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 886622 + ... + 887831.

It is an arithmetic number, because the mean of its divisors is an integer number (118001191).

Almost surely, 2^1073544065 is an apocalyptic number.

It is an amenable number.

1073544065 is a deficient number, since it is larger than the sum of its proper divisors (342470227).

1073544065 is a wasteful number, since it uses less digits than its factorization.

1073544065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1774480 (or 1774469 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 1073544065 is about 32764.9822981793. The cubic root of 1073544065 is about 1023.9371302471.

Adding to 1073544065 its reverse (5604453701), we get a palindrome (6677997766).

The spelling of 1073544065 in words is "one billion, seventy-three million, five hundred forty-four thousand, sixty-five".