63954853 has 2 divisors, whose sum is σ = 63954854. Its totient is φ = 63954852.

The previous prime is 63954851. The next prime is 63954899. The reversal of 63954853 is 35845936.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59013124 + 4941729 = 7682^2 + 2223^2 .

It is a cyclic number.

It is not a de Polignac number, because 63954853 - 2¹ = 63954851 is a prime.

Together with 63954851, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63954851) 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, 31977426 + 31977427.

It is an arithmetic number, because the mean of its divisors is an integer number (31977427).

Almost surely, 2^63954853 is an apocalyptic number.

It is an amenable number.

63954853 is a deficient number, since it is larger than the sum of its proper divisors (1).

63954853 is an equidigital number, since it uses as much as digits as its factorization.

63954853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 388800, while the sum is 43.

The square root of 63954853 is about 7997.1778147044. The cubic root of 63954853 is about 399.9059216249.

The spelling of 63954853 in words is "sixty-three million, nine hundred fifty-four thousand, eight hundred fifty-three".