63530313 has 48 divisors (see below), whose sum is σ = 108838080. Its totient is φ = 32592000.

The previous prime is 63530293. The next prime is 63530339. The reversal of 63530313 is 31303536.

63530313 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 63530313 - 2⁸ = 63530057 is a prime.

It is a super-2 number, since 2×63530313² = 8072201339755938, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (63530113) 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 47 ways as a sum of consecutive naturals, for example, 163123 + ... + 163511.

It is an arithmetic number, because the mean of its divisors is an integer number (2267460).

Almost surely, 2^63530313 is an apocalyptic number.

It is an amenable number.

63530313 is a deficient number, since it is larger than the sum of its proper divisors (45307767).

63530313 is a wasteful number, since it uses less digits than its factorization.

63530313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518 (or 511 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 24.

The square root of 63530313 is about 7970.5905051006. The cubic root of 63530313 is about 399.0190818821.

Adding to 63530313 its reverse (31303536), we get a palindrome (94833849).

The spelling of 63530313 in words is "sixty-three million, five hundred thirty thousand, three hundred thirteen".