63504213 has 32 divisors (see below), whose sum is σ = 93327360. Its totient is φ = 38257920.

The previous prime is 63504211. The next prime is 63504227. The reversal of 63504213 is 31240536.

It is a happy number.

It is not a de Polignac number, because 63504213 - 2¹ = 63504211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63504211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 146445 + ... + 146877.

It is an arithmetic number, because the mean of its divisors is an integer number (2916480).

Almost surely, 2^63504213 is an apocalyptic number.

It is an amenable number.

63504213 is a deficient number, since it is larger than the sum of its proper divisors (29823147).

63504213 is a wasteful number, since it uses less digits than its factorization.

63504213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 63504213 is about 7968.9530680008. The cubic root of 63504213 is about 398.9644317262.

Adding to 63504213 its reverse (31240536), we get a palindrome (94744749).

The spelling of 63504213 in words is "sixty-three million, five hundred four thousand, two hundred thirteen".