63195538 has 16 divisors (see below), whose sum is σ = 109862784. Its totient is φ = 26701920.

The previous prime is 63195533. The next prime is 63195541. The reversal of 63195538 is 83559136.

It is a self number, because there is not a number n which added to its sum of digits gives 63195538.

It is not an unprimeable number, because it can be changed into a prime (63195533) 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 7 ways as a sum of consecutive naturals, for example, 30795 + ... + 32782.

It is an arithmetic number, because the mean of its divisors is an integer number (6866424).

Almost surely, 2^63195538 is an apocalyptic number.

63195538 is a deficient number, since it is larger than the sum of its proper divisors (46667246).

63195538 is a wasteful number, since it uses less digits than its factorization.

63195538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63657.

The product of its digits is 97200, while the sum is 40.

The square root of 63195538 is about 7949.5621263061. The cubic root of 63195538 is about 398.3169659228.

It can be divided in two parts, 631 and 95538, that added together give a palindrome (96169).

The spelling of 63195538 in words is "sixty-three million, one hundred ninety-five thousand, five hundred thirty-eight".