63758641 has 2 divisors, whose sum is σ = 63758642. Its totient is φ = 63758640.

The previous prime is 63758593. The next prime is 63758657. The reversal of 63758641 is 14685736.

It is a happy number.

63758641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51480625 + 12278016 = 7175^2 + 3504^2 .

It is a cyclic number.

It is not a de Polignac number, because 63758641 - 2²³ = 55370033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 63758594 and 63758603.

It is not a weakly prime, because it can be changed into another prime (63758941) 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, 31879320 + 31879321.

It is an arithmetic number, because the mean of its divisors is an integer number (31879321).

Almost surely, 2^63758641 is an apocalyptic number.

It is an amenable number.

63758641 is a deficient number, since it is larger than the sum of its proper divisors (1).

63758641 is an equidigital number, since it uses as much as digits as its factorization.

63758641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 40.

The square root of 63758641 is about 7984.9008134103. The cubic root of 63758641 is about 399.4965353242.

The spelling of 63758641 in words is "sixty-three million, seven hundred fifty-eight thousand, six hundred forty-one".