63263312 has 120 divisors (see below), whose sum is σ = 156061440. Its totient is φ = 24675840.

The previous prime is 63263267. The next prime is 63263327. The reversal of 63263312 is 21336236.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 461708 + ... + 461844.

It is an arithmetic number, because the mean of its divisors is an integer number (1300512).

Almost surely, 2^63263312 is an apocalyptic number.

63263312 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63263312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78030720).

63263312 is an abundant number, since it is smaller than the sum of its proper divisors (92798128).

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

63263312 is a wasteful number, since it uses less digits than its factorization.

63263312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209 (or 196 counting only the distinct ones).

The product of its digits is 3888, while the sum is 26.

The square root of 63263312 is about 7953.8237345317. The cubic root of 63263312 is about 398.4593066122.

Adding to 63263312 its reverse (21336236), we get a palindrome (84599548).

The spelling of 63263312 in words is "sixty-three million, two hundred sixty-three thousand, three hundred twelve".