63534213 has 10 divisors (see below), whose sum is σ = 94909254. Its totient is φ = 42356088.

The previous prime is 63534181. The next prime is 63534281. The reversal of 63534213 is 31243536.

It is a happy number.

63534213 is a `hidden beast` number, since 635 + 3 + 4 + 21 + 3 = 666.

63534213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 44715969 + 18818244 = 6687^2 + 4338^2 .

It is not a de Polignac number, because 63534213 - 2⁵ = 63534181 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63534013) 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 9 ways as a sum of consecutive naturals, for example, 392106 + ... + 392267.

Almost surely, 2^63534213 is an apocalyptic number.

It is an amenable number.

63534213 is a deficient number, since it is larger than the sum of its proper divisors (31375041).

63534213 is an equidigital number, since it uses as much as digits as its factorization.

63534213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784385 (or 784376 counting only the distinct ones).

The product of its digits is 6480, while the sum is 27.

The square root of 63534213 is about 7970.8351507229. The cubic root of 63534213 is about 399.0272467119.

Adding to 63534213 its reverse (31243536), we get a palindrome (94777749).

The spelling of 63534213 in words is "sixty-three million, five hundred thirty-four thousand, two hundred thirteen".