63518957 has 8 divisors (see below), whose sum is σ = 66955200. Its totient is φ = 60092064.

The previous prime is 63518933. The next prime is 63518989. The reversal of 63518957 is 75981536.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 63518957 - 2¹⁴ = 63502573 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 (63518057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14969 + ... + 18737.

It is an arithmetic number, because the mean of its divisors is an integer number (8369400).

Almost surely, 2^63518957 is an apocalyptic number.

It is an amenable number.

63518957 is a deficient number, since it is larger than the sum of its proper divisors (3436243).

63518957 is a wasteful number, since it uses less digits than its factorization.

63518957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4675.

The product of its digits is 226800, while the sum is 44.

The square root of 63518957 is about 7969.8781044631. The cubic root of 63518957 is about 398.9953056694.

The spelling of 63518957 in words is "sixty-three million, five hundred eighteen thousand, nine hundred fifty-seven".