63171317 has 12 divisors (see below), whose sum is σ = 72458400. Its totient is φ = 54929160.

The previous prime is 63171313. The next prime is 63171319. The reversal of 63171317 is 71317136.

It is not a de Polignac number, because 63171317 - 2² = 63171313 is a prime.

It is a Duffinian number.

It is a zygodrome in base 4.

It is a self number, because there is not a number n which added to its sum of digits gives 63171317.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63171313) 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 11 ways as a sum of consecutive naturals, for example, 8567 + ... + 14132.

It is an arithmetic number, because the mean of its divisors is an integer number (6038200).

Almost surely, 2^63171317 is an apocalyptic number.

It is an amenable number.

63171317 is a deficient number, since it is larger than the sum of its proper divisors (9287083).

63171317 is a wasteful number, since it uses less digits than its factorization.

63171317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22744 (or 22733 counting only the distinct ones).

The product of its digits is 2646, while the sum is 29.

The square root of 63171317 is about 7948.0385630670. The cubic root of 63171317 is about 398.2660716753.

The spelling of 63171317 in words is "sixty-three million, one hundred seventy-one thousand, three hundred seventeen".