63105250 has 32 divisors (see below), whose sum is σ = 127226736. Its totient is φ = 23299200.

The previous prime is 63105233. The next prime is 63105253. The reversal of 63105250 is 5250136.

It is a happy number.

63105250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 8803089 + 54302161 = 2967^2 + 7369^2 .

It is not an unprimeable number, because it can be changed into a prime (63105253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6459 + ... + 12958.

Almost surely, 2^63105250 is an apocalyptic number.

63105250 is an abundant number, since it is smaller than the sum of its proper divisors (64121486).

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

63105250 is a wasteful number, since it uses less digits than its factorization.

63105250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19447 (or 19437 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 63105250 is about 7943.8812931715. The cubic root of 63105250 is about 398.1271825722.

Adding to 63105250 its reverse (5250136), we get a palindrome (68355386).

The spelling of 63105250 in words is "sixty-three million, one hundred five thousand, two hundred fifty".