63113517 has 6 divisors (see below), whose sum is σ = 91163982. Its totient is φ = 42075672.

The previous prime is 63113471. The next prime is 63113521. The reversal of 63113517 is 71531136.

63113517 is a `hidden beast` number, since 631 + 13 + 5 + 17 = 666.

It can be written as a sum of positive squares in only one way, i.e., 52577001 + 10536516 = 7251^2 + 3246^2 .

It is not a de Polignac number, because 63113517 - 2¹¹ = 63111469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63113597) 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, 3506298 + ... + 3506315.

It is an arithmetic number, because the mean of its divisors is an integer number (15193997).

Almost surely, 2^63113517 is an apocalyptic number.

It is an amenable number.

63113517 is a deficient number, since it is larger than the sum of its proper divisors (28050465).

63113517 is a wasteful number, since it uses less digits than its factorization.

63113517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7012619 (or 7012616 counting only the distinct ones).

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

The square root of 63113517 is about 7944.4016137152. The cubic root of 63113517 is about 398.1445671464.

The spelling of 63113517 in words is "sixty-three million, one hundred thirteen thousand, five hundred seventeen".