63196813 has 2 divisors, whose sum is σ = 63196814. Its totient is φ = 63196812.

The previous prime is 63196807. The next prime is 63196843. The reversal of 63196813 is 31869136.

63196813 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37002889 + 26193924 = 6083^2 + 5118^2 .

It is a cyclic number.

It is not a de Polignac number, because 63196813 - 2¹³ = 63188621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63196843) 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, 31598406 + 31598407.

It is an arithmetic number, because the mean of its divisors is an integer number (31598407).

Almost surely, 2^63196813 is an apocalyptic number.

It is an amenable number.

63196813 is a deficient number, since it is larger than the sum of its proper divisors (1).

63196813 is an equidigital number, since it uses as much as digits as its factorization.

63196813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 37.

The square root of 63196813 is about 7949.6423189978. The cubic root of 63196813 is about 398.3196446494.

It can be divided in two parts, 63196 and 813, that added together give a square (64009 = 253²).

The spelling of 63196813 in words is "sixty-three million, one hundred ninety-six thousand, eight hundred thirteen".