973822321 has 2 divisors, whose sum is σ = 973822322. Its totient is φ = 973822320.

The previous prime is 973822309. The next prime is 973822327. The reversal of 973822321 is 123228379.

973822321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 570254400 + 403567921 = 23880^2 + 20089^2 .

It is a cyclic number.

It is not a de Polignac number, because 973822321 - 2⁷ = 973822193 is a prime.

It is not a weakly prime, because it can be changed into another prime (973822327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 486911160 + 486911161.

It is an arithmetic number, because the mean of its divisors is an integer number (486911161).

Almost surely, 2^973822321 is an apocalyptic number.

It is an amenable number.

973822321 is a deficient number, since it is larger than the sum of its proper divisors (1).

973822321 is an equidigital number, since it uses as much as digits as its factorization.

973822321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 37.

The square root of 973822321 is about 31206.1263376280. The cubic root of 973822321 is about 991.1968387543.

The spelling of 973822321 in words is "nine hundred seventy-three million, eight hundred twenty-two thousand, three hundred twenty-one".