63297961 has 2 divisors, whose sum is σ = 63297962. Its totient is φ = 63297960.

The previous prime is 63297947. The next prime is 63297977. The reversal of 63297961 is 16979236.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63297936 + 25 = 7956^2 + 5^2 .

It is a cyclic number.

It is not a de Polignac number, because 63297961 - 2⁷ = 63297833 is a prime.

It is not a weakly prime, because it can be changed into another prime (63297901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31648980 + 31648981.

It is an arithmetic number, because the mean of its divisors is an integer number (31648981).

Almost surely, 2^63297961 is an apocalyptic number.

It is an amenable number.

63297961 is a deficient number, since it is larger than the sum of its proper divisors (1).

63297961 is an equidigital number, since it uses as much as digits as its factorization.

63297961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 122472, while the sum is 43.

The square root of 63297961 is about 7956.0015711411. The cubic root of 63297961 is about 398.5320380596.

The spelling of 63297961 in words is "sixty-three million, two hundred ninety-seven thousand, nine hundred sixty-one".