63863273 has 2 divisors, whose sum is σ = 63863274. Its totient is φ = 63863272.

The previous prime is 63863231. The next prime is 63863287. The reversal of 63863273 is 37236836.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48832144 + 15031129 = 6988^2 + 3877^2 .

It is a cyclic number.

It is not a de Polignac number, because 63863273 - 2¹² = 63859177 is a prime.

It is not a weakly prime, because it can be changed into another prime (63863473) 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, 31931636 + 31931637.

It is an arithmetic number, because the mean of its divisors is an integer number (31931637).

Almost surely, 2^63863273 is an apocalyptic number.

It is an amenable number.

63863273 is a deficient number, since it is larger than the sum of its proper divisors (1).

63863273 is an equidigital number, since it uses as much as digits as its factorization.

63863273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 38.

The square root of 63863273 is about 7991.4499935869. The cubic root of 63863273 is about 399.7149489964.

The spelling of 63863273 in words is "sixty-three million, eight hundred sixty-three thousand, two hundred seventy-three".