63508538 has 8 divisors (see below), whose sum is σ = 95990400. Its totient is φ = 31511740.

The previous prime is 63508537. The next prime is 63508567. The reversal of 63508538 is 83580536.

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

It is not an unprimeable number, because it can be changed into a prime (63508537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120938 + ... + 121461.

It is an arithmetic number, because the mean of its divisors is an integer number (11998800).

Almost surely, 2^63508538 is an apocalyptic number.

63508538 is a deficient number, since it is larger than the sum of its proper divisors (32481862).

63508538 is a wasteful number, since it uses less digits than its factorization.

63508538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242532.

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 63508538 is about 7969.2244290144. The cubic root of 63508538 is about 398.9734887735.

It can be divided in two parts, 63508 and 538, that added together give a palindrome (64046).

The spelling of 63508538 in words is "sixty-three million, five hundred eight thousand, five hundred thirty-eight".