63297397 has 2 divisors, whose sum is σ = 63297398. Its totient is φ = 63297396.

The previous prime is 63297389. The next prime is 63297427. The reversal of 63297397 is 79379236.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44970436 + 18326961 = 6706^2 + 4281^2 .

It is a cyclic number.

It is not a de Polignac number, because 63297397 - 2³ = 63297389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63297337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31648698 + 31648699.

It is an arithmetic number, because the mean of its divisors is an integer number (31648699).

Almost surely, 2^63297397 is an apocalyptic number.

It is an amenable number.

63297397 is a deficient number, since it is larger than the sum of its proper divisors (1).

63297397 is an equidigital number, since it uses as much as digits as its factorization.

63297397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 428652, while the sum is 46.

The square root of 63297397 is about 7955.9661261220. The cubic root of 63297397 is about 398.5308543841.

The spelling of 63297397 in words is "sixty-three million, two hundred ninety-seven thousand, three hundred ninety-seven".