63947297 has 2 divisors, whose sum is σ = 63947298. Its totient is φ = 63947296.

The previous prime is 63947287. The next prime is 63947311. The reversal of 63947297 is 79274936.

63947297 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54405376 + 9541921 = 7376^2 + 3089^2 .

It is a cyclic number.

It is not a de Polignac number, because 63947297 - 2⁴ = 63947281 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (63947207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31973648 + 31973649.

It is an arithmetic number, because the mean of its divisors is an integer number (31973649).

Almost surely, 2^63947297 is an apocalyptic number.

It is an amenable number.

63947297 is a deficient number, since it is larger than the sum of its proper divisors (1).

63947297 is an equidigital number, since it uses as much as digits as its factorization.

63947297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 571536, while the sum is 47.

The square root of 63947297 is about 7996.7053840941. The cubic root of 63947297 is about 399.8901719306.

The spelling of 63947297 in words is "sixty-three million, nine hundred forty-seven thousand, two hundred ninety-seven".