63243213 has 32 divisors (see below), whose sum is σ = 98703360. Its totient is φ = 35592960.

The previous prime is 63243181. The next prime is 63243223. The reversal of 63243213 is 31234236.

63243213 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 63243213 - 2⁵ = 63243181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63243223) 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 31 ways as a sum of consecutive naturals, for example, 43606 + ... + 45032.

It is an arithmetic number, because the mean of its divisors is an integer number (3084480).

Almost surely, 2^63243213 is an apocalyptic number.

It is an amenable number.

63243213 is a deficient number, since it is larger than the sum of its proper divisors (35460147).

63243213 is a wasteful number, since it uses less digits than its factorization.

63243213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1537.

The product of its digits is 2592, while the sum is 24.

The square root of 63243213 is about 7952.5601538121. The cubic root of 63243213 is about 398.4171047861.

Adding to 63243213 its reverse (31234236), we get a palindrome (94477449).

The spelling of 63243213 in words is "sixty-three million, two hundred forty-three thousand, two hundred thirteen".