63138325 has 12 divisors (see below), whose sum is σ = 78446368. Its totient is φ = 50410800.

The previous prime is 63138293. The next prime is 63138329. The reversal of 63138325 is 52383136.

63138325 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 63138325 - 2⁵ = 63138293 is a prime.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63138329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12064 + ... + 16486.

Almost surely, 2^63138325 is an apocalyptic number.

It is an amenable number.

63138325 is a deficient number, since it is larger than the sum of its proper divisors (15308043).

63138325 is a wasteful number, since it uses less digits than its factorization.

63138325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5004 (or 4999 counting only the distinct ones).

The product of its digits is 12960, while the sum is 31.

The square root of 63138325 is about 7945.9628113904. The cubic root of 63138325 is about 398.1967264779.

The spelling of 63138325 in words is "sixty-three million, one hundred thirty-eight thousand, three hundred twenty-five".