63133775 has 6 divisors (see below), whose sum is σ = 78285912. Its totient is φ = 50507000.

The previous prime is 63133771. The next prime is 63133793. The reversal of 63133775 is 57733136.

It is not a de Polignac number, because 63133775 - 2² = 63133771 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63133771) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1262651 + ... + 1262700.

It is an arithmetic number, because the mean of its divisors is an integer number (13047652).

Almost surely, 2^63133775 is an apocalyptic number.

63133775 is a deficient number, since it is larger than the sum of its proper divisors (15152137).

63133775 is a wasteful number, since it uses less digits than its factorization.

63133775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2525361 (or 2525356 counting only the distinct ones).

The product of its digits is 39690, while the sum is 35.

The square root of 63133775 is about 7945.6764973160. The cubic root of 63133775 is about 398.1871610324.

The spelling of 63133775 in words is "sixty-three million, one hundred thirty-three thousand, seven hundred seventy-five".