63425138 has 32 divisors (see below), whose sum is σ = 111196800. Its totient is φ = 26573184.

The previous prime is 63425119. The next prime is 63425143. The reversal of 63425138 is 83152436.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135581 + ... + 136047.

It is an arithmetic number, because the mean of its divisors is an integer number (3474900).

Almost surely, 2^63425138 is an apocalyptic number.

63425138 is a deficient number, since it is larger than the sum of its proper divisors (47771662).

63425138 is a wasteful number, since it uses less digits than its factorization.

63425138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674.

The product of its digits is 17280, while the sum is 32.

The square root of 63425138 is about 7963.9900803554. The cubic root of 63425138 is about 398.7987670429.

The spelling of 63425138 in words is "sixty-three million, four hundred twenty-five thousand, one hundred thirty-eight".