663326297 has 2 divisors, whose sum is σ = 663326298. Its totient is φ = 663326296.

The previous prime is 663326291. The next prime is 663326303. The reversal of 663326297 is 792623366.

663326297 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (663326291) and next prime (663326303).

It can be written as a sum of positive squares in only one way, i.e., 377175241 + 286151056 = 19421^2 + 16916^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-663326297 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (663326291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 331663148 + 331663149.

It is an arithmetic number, because the mean of its divisors is an integer number (331663149).

Almost surely, 2^663326297 is an apocalyptic number.

It is an amenable number.

663326297 is a deficient number, since it is larger than the sum of its proper divisors (1).

663326297 is an equidigital number, since it uses as much as digits as its factorization.

663326297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 489888, while the sum is 44.

The square root of 663326297 is about 25755.1217624767. The cubic root of 663326297 is about 872.1189802194.

The spelling of 663326297 in words is "six hundred sixty-three million, three hundred twenty-six thousand, two hundred ninety-seven".