63215013 has 8 divisors (see below), whose sum is σ = 84377376. Its totient is φ = 42098000.

The previous prime is 63214979. The next prime is 63215021. The reversal of 63215013 is 31051236.

63215013 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 a cyclic number.

It is not a de Polignac number, because 63215013 - 2⁸ = 63214757 is a prime.

It is a super-2 number, since 2×63215013² = 7992275737180338, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63215513) 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, 7938 + ... + 13763.

It is an arithmetic number, because the mean of its divisors is an integer number (10547172).

Almost surely, 2^63215013 is an apocalyptic number.

It is an amenable number.

63215013 is a deficient number, since it is larger than the sum of its proper divisors (21162363).

63215013 is a wasteful number, since it uses less digits than its factorization.

63215013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22675.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 63215013 is about 7950.7869421838. The cubic root of 63215013 is about 398.3578782321.

Adding to 63215013 its reverse (31051236), we get a palindrome (94266249).

The spelling of 63215013 in words is "sixty-three million, two hundred fifteen thousand, thirteen".