63135171 has 12 divisors (see below), whose sum is σ = 99485880. Its totient is φ = 38263680.

The previous prime is 63135113. The next prime is 63135173. The reversal of 63135171 is 17153136.

It is not a de Polignac number, because 63135171 - 2¹⁰ = 63134147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63135173) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 318766 + ... + 318963.

It is an arithmetic number, because the mean of its divisors is an integer number (8290490).

Almost surely, 2^63135171 is an apocalyptic number.

63135171 is a deficient number, since it is larger than the sum of its proper divisors (36350709).

63135171 is a wasteful number, since it uses less digits than its factorization.

63135171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637746 (or 637743 counting only the distinct ones).

The product of its digits is 1890, while the sum is 27.

The square root of 63135171 is about 7945.7643433467. The cubic root of 63135171 is about 398.1900958861.

The spelling of 63135171 in words is "sixty-three million, one hundred thirty-five thousand, one hundred seventy-one".