63133671 has 4 divisors (see below), whose sum is σ = 84178232. Its totient is φ = 42089112.

The previous prime is 63133657. The next prime is 63133691. The reversal of 63133671 is 17633136.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 63133671 - 2¹³ = 63125479 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 (63133601) 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 in 3 ways as a sum of consecutive naturals, for example, 10522276 + ... + 10522281.

It is an arithmetic number, because the mean of its divisors is an integer number (21044558).

Almost surely, 2^63133671 is an apocalyptic number.

63133671 is a deficient number, since it is larger than the sum of its proper divisors (21044561).

63133671 is a wasteful number, since it uses less digits than its factorization.

63133671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21044560.

The product of its digits is 6804, while the sum is 30.

The square root of 63133671 is about 7945.6699528737. The cubic root of 63133671 is about 398.1869423882.

The spelling of 63133671 in words is "sixty-three million, one hundred thirty-three thousand, six hundred seventy-one".