63895523 has 2 divisors, whose sum is σ = 63895524. Its totient is φ = 63895522.

The previous prime is 63895501. The next prime is 63895543. The reversal of 63895523 is 32559836.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 63895523 - 2⁶ = 63895459 is a prime.

It is not a weakly prime, because it can be changed into another prime (63895543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31947761 + 31947762.

It is an arithmetic number, because the mean of its divisors is an integer number (31947762).

Almost surely, 2^63895523 is an apocalyptic number.

63895523 is a deficient number, since it is larger than the sum of its proper divisors (1).

63895523 is an equidigital number, since it uses as much as digits as its factorization.

63895523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 194400, while the sum is 41.

The square root of 63895523 is about 7993.4675204194. The cubic root of 63895523 is about 399.7822210357.

The spelling of 63895523 in words is "sixty-three million, eight hundred ninety-five thousand, five hundred twenty-three".