63212243 has 4 divisors (see below), whose sum is σ = 64920720. Its totient is φ = 61503768.

The previous prime is 63212209. The next prime is 63212251. The reversal of 63212243 is 34221236.

63212243 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 not a de Polignac number, because 63212243 - 2⁶ = 63212179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63212203) 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, 854183 + ... + 854256.

It is an arithmetic number, because the mean of its divisors is an integer number (16230180).

Almost surely, 2^63212243 is an apocalyptic number.

63212243 is a deficient number, since it is larger than the sum of its proper divisors (1708477).

63212243 is a wasteful number, since it uses less digits than its factorization.

63212243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1708476.

The product of its digits is 1728, while the sum is 23.

The square root of 63212243 is about 7950.6127436821. The cubic root of 63212243 is about 398.3520596383.

Adding to 63212243 its reverse (34221236), we get a palindrome (97433479).

The spelling of 63212243 in words is "sixty-three million, two hundred twelve thousand, two hundred forty-three".