63873413 has 2 divisors, whose sum is σ = 63873414. Its totient is φ = 63873412.

The previous prime is 63873379. The next prime is 63873443. The reversal of 63873413 is 31437836.

It is a happy number.

63873413 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., 32982049 + 30891364 = 5743^2 + 5558^2 .

It is a cyclic number.

It is not a de Polignac number, because 63873413 - 2⁶ = 63873349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63873443) 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, 31936706 + 31936707.

It is an arithmetic number, because the mean of its divisors is an integer number (31936707).

Almost surely, 2^63873413 is an apocalyptic number.

It is an amenable number.

63873413 is a deficient number, since it is larger than the sum of its proper divisors (1).

63873413 is an equidigital number, since it uses as much as digits as its factorization.

63873413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 35.

The square root of 63873413 is about 7992.0843964513. The cubic root of 63873413 is about 399.7361030176.

The spelling of 63873413 in words is "sixty-three million, eight hundred seventy-three thousand, four hundred thirteen".