63081171 has 6 divisors (see below), whose sum is σ = 91117260. Its totient is φ = 42054108.

The previous prime is 63081167. The next prime is 63081181. The reversal of 63081171 is 17118036.

63081171 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 63081171 - 2² = 63081167 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63081131) 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 in 5 ways as a sum of consecutive naturals, for example, 3504501 + ... + 3504518.

It is an arithmetic number, because the mean of its divisors is an integer number (15186210).

Almost surely, 2^63081171 is an apocalyptic number.

63081171 is a deficient number, since it is larger than the sum of its proper divisors (28036089).

63081171 is a wasteful number, since it uses less digits than its factorization.

63081171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7009025 (or 7009022 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 63081171 is about 7942.3655795991. The cubic root of 63081171 is about 398.0765384816.

The spelling of 63081171 in words is "sixty-three million, eighty-one thousand, one hundred seventy-one".