63216453 has 8 divisors (see below), whose sum is σ = 84806368. Its totient is φ = 41885424.

The previous prime is 63216451. The next prime is 63216473. The reversal of 63216453 is 35461236.

63216453 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 63216453 - 2¹ = 63216451 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 63216453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63216451) 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 7 ways as a sum of consecutive naturals, for example, 64150 + ... + 65127.

It is an arithmetic number, because the mean of its divisors is an integer number (10600796).

Almost surely, 2^63216453 is an apocalyptic number.

It is an amenable number.

63216453 is a deficient number, since it is larger than the sum of its proper divisors (21589915).

63216453 is a wasteful number, since it uses less digits than its factorization.

63216453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129443.

The product of its digits is 12960, while the sum is 30.

The square root of 63216453 is about 7950.8774987419. The cubic root of 63216453 is about 398.3609029935.

Adding to 63216453 its reverse (35461236), we get a palindrome (98677689).

The spelling of 63216453 in words is "sixty-three million, two hundred sixteen thousand, four hundred fifty-three".