63121452 has 24 divisors (see below), whose sum is σ = 147811776. Its totient is φ = 20965008.

The previous prime is 63121451. The next prime is 63121469. The reversal of 63121452 is 25412136.

It is not an unprimeable number, because it can be changed into a prime (63121451) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5898 + ... + 12689.

It is an arithmetic number, because the mean of its divisors is an integer number (6158824).

Almost surely, 2^63121452 is an apocalyptic number.

It is an amenable number.

63121452 is an abundant number, since it is smaller than the sum of its proper divisors (84690324).

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

63121452 is a wasteful number, since it uses less digits than its factorization.

63121452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18877 (or 18875 counting only the distinct ones).

The product of its digits is 1440, while the sum is 24.

The square root of 63121452 is about 7944.9010063059. The cubic root of 63121452 is about 398.1612521340.

Adding to 63121452 its reverse (25412136), we get a palindrome (88533588).

The spelling of 63121452 in words is "sixty-three million, one hundred twenty-one thousand, four hundred fifty-two".