63963461 has 2 divisors, whose sum is σ = 63963462. Its totient is φ = 63963460.

The previous prime is 63963413. The next prime is 63963479. The reversal of 63963461 is 16436936.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54390625 + 9572836 = 7375^2 + 3094^2 .

It is a cyclic number.

It is not a de Polignac number, because 63963461 - 2⁶ = 63963397 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63963961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31981730 + 31981731.

It is an arithmetic number, because the mean of its divisors is an integer number (31981731).

Almost surely, 2^63963461 is an apocalyptic number.

It is an amenable number.

63963461 is a deficient number, since it is larger than the sum of its proper divisors (1).

63963461 is an equidigital number, since it uses as much as digits as its factorization.

63963461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69984, while the sum is 38.

The square root of 63963461 is about 7997.7159864551. The cubic root of 63963461 is about 399.9238625920.

The spelling of 63963461 in words is "sixty-three million, nine hundred sixty-three thousand, four hundred sixty-one".