63015312 has 40 divisors (see below), whose sum is σ = 168044800. Its totient is φ = 20327040.

The previous prime is 63015301. The next prime is 63015313. The reversal of 63015312 is 21351036.

It is not an unprimeable number, because it can be changed into a prime (63015313) 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, 19687 + ... + 22662.

It is an arithmetic number, because the mean of its divisors is an integer number (4201120).

Almost surely, 2^63015312 is an apocalyptic number.

63015312 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

63015312 is an abundant number, since it is smaller than the sum of its proper divisors (105029488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63015312 is a wasteful number, since it uses less digits than its factorization.

63015312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42391 (or 42385 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 63015312 is about 7938.2184399272. The cubic root of 63015312 is about 397.9379548577.

Adding to 63015312 its reverse (21351036), we get a palindrome (84366348).

The spelling of 63015312 in words is "sixty-three million, fifteen thousand, three hundred twelve".