9281273 has 2 divisors, whose sum is σ = 9281274. Its totient is φ = 9281272.

The previous prime is 9281197. The next prime is 9281281. The reversal of 9281273 is 3721829.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7997584 + 1283689 = 2828^2 + 1133^2 .

It is a cyclic number.

It is not a de Polignac number, because 9281273 - 2⁸ = 9281017 is a prime.

It is a super-2 number, since 2×9281273² = 172284057001058, which contains 22 as substring.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (9281773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4640636 + 4640637.

It is an arithmetic number, because the mean of its divisors is an integer number (4640637).

Almost surely, 2^9281273 is an apocalyptic number.

It is an amenable number.

9281273 is a deficient number, since it is larger than the sum of its proper divisors (1).

9281273 is an equidigital number, since it uses as much as digits as its factorization.

9281273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 32.

The square root of 9281273 is about 3046.5181765419. The cubic root of 9281273 is about 210.1531233934.

The spelling of 9281273 in words is "nine million, two hundred eighty-one thousand, two hundred seventy-three".