63121252 has 12 divisors (see below), whose sum is σ = 110519920. Its totient is φ = 31544136.

The previous prime is 63121241. The next prime is 63121259. The reversal of 63121252 is 25212136.

63121252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (63121259) 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 3 ways as a sum of consecutive naturals, for example, 9463 + ... + 14689.

Almost surely, 2^63121252 is an apocalyptic number.

It is an amenable number.

63121252 is a deficient number, since it is larger than the sum of its proper divisors (47398668).

63121252 is a wasteful number, since it uses less digits than its factorization.

63121252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8250 (or 8248 counting only the distinct ones).

The product of its digits is 720, while the sum is 22.

The square root of 63121252 is about 7944.8884196067. Note that the first 3 decimals coincide. The cubic root of 63121252 is about 398.1608316096.

Adding to 63121252 its reverse (25212136), we get a palindrome (88333388).

The spelling of 63121252 in words is "sixty-three million, one hundred twenty-one thousand, two hundred fifty-two".