63928133 has 2 divisors, whose sum is σ = 63928134. Its totient is φ = 63928132.

The previous prime is 63928127. The next prime is 63928159. The reversal of 63928133 is 33182936.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54789604 + 9138529 = 7402^2 + 3023^2 .

It is a cyclic number.

It is not a de Polignac number, because 63928133 - 2⁶ = 63928069 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 63928093 and 63928102.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63918133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31964066 + 31964067.

It is an arithmetic number, because the mean of its divisors is an integer number (31964067).

Almost surely, 2^63928133 is an apocalyptic number.

It is an amenable number.

63928133 is a deficient number, since it is larger than the sum of its proper divisors (1).

63928133 is an equidigital number, since it uses as much as digits as its factorization.

63928133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 35.

The square root of 63928133 is about 7995.5070508380. The cubic root of 63928133 is about 399.8502210060.

The spelling of 63928133 in words is "sixty-three million, nine hundred twenty-eight thousand, one hundred thirty-three".