63421452 has 36 divisors (see below), whose sum is σ = 160720560. Its totient is φ = 21087072.

The previous prime is 63421439. The next prime is 63421453. The reversal of 63421452 is 25412436.

63421452 is a `hidden beast` number, since 634 + 21 + 4 + 5 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (63421453) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13798 + ... + 17810.

It is an arithmetic number, because the mean of its divisors is an integer number (4464460).

Almost surely, 2^63421452 is an apocalyptic number.

It is an amenable number.

63421452 is an abundant number, since it is smaller than the sum of its proper divisors (97299108).

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

63421452 is a wasteful number, since it uses less digits than its factorization.

63421452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4462 (or 4457 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 63421452 is about 7963.7586603312. The cubic root of 63421452 is about 398.7910413956.

Adding to 63421452 its reverse (25412436), we get a palindrome (88833888).

The spelling of 63421452 in words is "sixty-three million, four hundred twenty-one thousand, four hundred fifty-two".