63051421 has 4 divisors (see below), whose sum is σ = 63198144. Its totient is φ = 62904700.

The previous prime is 63051389. The next prime is 63051437. The reversal of 63051421 is 12415036.

63051421 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 63051421 - 2⁵ = 63051389 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 63051392 and 63051401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63021421) 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, 72715 + ... + 73576.

It is an arithmetic number, because the mean of its divisors is an integer number (15799536).

Almost surely, 2^63051421 is an apocalyptic number.

It is an amenable number.

63051421 is a deficient number, since it is larger than the sum of its proper divisors (146723).

63051421 is a wasteful number, since it uses less digits than its factorization.

63051421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146722.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 63051421 is about 7940.4924910235. The cubic root of 63051421 is about 398.0139490747.

Adding to 63051421 its reverse (12415036), we get a palindrome (75466457).

The spelling of 63051421 in words is "sixty-three million, fifty-one thousand, four hundred twenty-one".