63403130 has 16 divisors (see below), whose sum is σ = 130429440. Its totient is φ = 21738192.

The previous prime is 63403129. The next prime is 63403139. The reversal of 63403130 is 3130436.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (63403139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 452810 + ... + 452949.

It is an arithmetic number, because the mean of its divisors is an integer number (8151840).

Almost surely, 2^63403130 is an apocalyptic number.

63403130 is an abundant number, since it is smaller than the sum of its proper divisors (67026310).

63403130 is a wasteful number, since it uses less digits than its factorization.

63403130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905773.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 63403130 is about 7962.6082410225. The cubic root of 63403130 is about 398.7526350785.

Adding to 63403130 its reverse (3130436), we get a palindrome (66533566).

The spelling of 63403130 in words is "sixty-three million, four hundred three thousand, one hundred thirty".