63946241 has 2 divisors, whose sum is σ = 63946242. Its totient is φ = 63946240.

The previous prime is 63946237. The next prime is 63946243. The reversal of 63946241 is 14264936.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56190016 + 7756225 = 7496^2 + 2785^2 .

It is a cyclic number.

It is not a de Polignac number, because 63946241 - 2² = 63946237 is a prime.

It is a Sophie Germain prime.

Together with 63946243, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (63946243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31973120 + 31973121.

It is an arithmetic number, because the mean of its divisors is an integer number (31973121).

Almost surely, 2^63946241 is an apocalyptic number.

It is an amenable number.

63946241 is a deficient number, since it is larger than the sum of its proper divisors (1).

63946241 is an equidigital number, since it uses as much as digits as its factorization.

63946241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 35.

The square root of 63946241 is about 7996.6393566298. The cubic root of 63946241 is about 399.8879707099.

The spelling of 63946241 in words is "sixty-three million, nine hundred forty-six thousand, two hundred forty-one".