63612427 has 4 divisors (see below), whose sum is σ = 63743536. Its totient is φ = 63481320.

The previous prime is 63612401. The next prime is 63612431. The reversal of 63612427 is 72421636.

63612427 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.

It is a cyclic number.

It is not a de Polignac number, because 63612427 - 2⁷ = 63612299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63615427) 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, 64824 + ... + 65797.

It is an arithmetic number, because the mean of its divisors is an integer number (15935884).

Almost surely, 2^63612427 is an apocalyptic number.

63612427 is a deficient number, since it is larger than the sum of its proper divisors (131109).

63612427 is a wasteful number, since it uses less digits than its factorization.

63612427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131108.

The product of its digits is 12096, while the sum is 31.

The square root of 63612427 is about 7975.7399029808. The cubic root of 63612427 is about 399.1909208306.

The spelling of 63612427 in words is "sixty-three million, six hundred twelve thousand, four hundred twenty-seven".