320968033 has 2 divisors, whose sum is σ = 320968034. Its totient is φ = 320968032.

The previous prime is 320967949. The next prime is 320968069. The reversal of 320968033 is 330869023.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 250525584 + 70442449 = 15828^2 + 8393^2 .

It is a cyclic number.

It is not a de Polignac number, because 320968033 - 2¹³ = 320959841 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 320968033.

It is not a weakly prime, because it can be changed into another prime (320968133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160484016 + 160484017.

It is an arithmetic number, because the mean of its divisors is an integer number (160484017).

Almost surely, 2^320968033 is an apocalyptic number.

It is an amenable number.

320968033 is a deficient number, since it is larger than the sum of its proper divisors (1).

320968033 is an equidigital number, since it uses as much as digits as its factorization.

320968033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 320968033 is about 17915.5807329821. The cubic root of 320968033 is about 684.6793981627.

The spelling of 320968033 in words is "three hundred twenty million, nine hundred sixty-eight thousand, thirty-three".