1073321273 has 2 divisors, whose sum is σ = 1073321274. Its totient is φ = 1073321272.

The previous prime is 1073321269. The next prime is 1073321279. The reversal of 1073321273 is 3721233701.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1071121984 + 2199289 = 32728^2 + 1483^2 .

It is a cyclic number.

It is not a de Polignac number, because 1073321273 - 2² = 1073321269 is a prime.

It is not a weakly prime, because it can be changed into another prime (1073321279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 536660636 + 536660637.

It is an arithmetic number, because the mean of its divisors is an integer number (536660637).

Almost surely, 2^1073321273 is an apocalyptic number.

It is an amenable number.

1073321273 is a deficient number, since it is larger than the sum of its proper divisors (1).

1073321273 is an equidigital number, since it uses as much as digits as its factorization.

1073321273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5292, while the sum is 29.

The square root of 1073321273 is about 32761.5822725338. The cubic root of 1073321273 is about 1023.8662929797.

Adding to 1073321273 its reverse (3721233701), we get a palindrome (4794554974).

The spelling of 1073321273 in words is "one billion, seventy-three million, three hundred twenty-one thousand, two hundred seventy-three".