63503012 has 12 divisors (see below), whose sum is σ = 111468336. Its totient is φ = 31654920.

The previous prime is 63502981. The next prime is 63503021. The reversal of 63503012 is 21030536.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22658 + ... + 25305.

It is an arithmetic number, because the mean of its divisors is an integer number (9289028).

Almost surely, 2^63503012 is an apocalyptic number.

It is an amenable number.

63503012 is a deficient number, since it is larger than the sum of its proper divisors (47965324).

63503012 is a wasteful number, since it uses less digits than its factorization.

63503012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48298 (or 48296 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 63503012 is about 7968.8777127021. The cubic root of 63503012 is about 398.9619166211.

Adding to 63503012 its reverse (21030536), we get a palindrome (84533548).

The spelling of 63503012 in words is "sixty-three million, five hundred three thousand, twelve".