63305530 has 16 divisors (see below), whose sum is σ = 119947680. Its totient is φ = 23989392.

The previous prime is 63305519. The next prime is 63305531. The reversal of 63305530 is 3550336.

It is a junction number, because it is equal to n+sod(n) for n = 63305495 and 63305504.

It is not an unprimeable number, because it can be changed into a prime (63305531) 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 7 ways as a sum of consecutive naturals, for example, 166404 + ... + 166783.

It is an arithmetic number, because the mean of its divisors is an integer number (7496730).

Almost surely, 2^63305530 is an apocalyptic number.

63305530 is a deficient number, since it is larger than the sum of its proper divisors (56642150).

63305530 is a wasteful number, since it uses less digits than its factorization.

63305530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333213.

The product of its (nonzero) digits is 4050, while the sum is 25.

The square root of 63305530 is about 7956.4772355610. The cubic root of 63305530 is about 398.5479225564.

Adding to 63305530 its reverse (3550336), we get a palindrome (66855866).

The spelling of 63305530 in words is "sixty-three million, three hundred five thousand, five hundred thirty".