63138241 has 4 divisors (see below), whose sum is σ = 64027584. Its totient is φ = 62248900.

The previous prime is 63138223. The next prime is 63138247. The reversal of 63138241 is 14283136.

63138241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 63138241 - 2⁵ = 63138209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63138247) 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 3 ways as a sum of consecutive naturals, for example, 444565 + ... + 444706.

It is an arithmetic number, because the mean of its divisors is an integer number (16006896).

Almost surely, 2^63138241 is an apocalyptic number.

It is an amenable number.

63138241 is a deficient number, since it is larger than the sum of its proper divisors (889343).

63138241 is an equidigital number, since it uses as much as digits as its factorization.

63138241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889342.

The product of its digits is 3456, while the sum is 28.

The square root of 63138241 is about 7945.9575256856. The cubic root of 63138241 is about 398.1965498892.

The spelling of 63138241 in words is "sixty-three million, one hundred thirty-eight thousand, two hundred forty-one".