63461443 has 4 divisors (see below), whose sum is σ = 63501400. Its totient is φ = 63421488.

The previous prime is 63461429. The next prime is 63461449. The reversal of 63461443 is 34416436.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 63461443 - 2²¹ = 61364291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63461449) 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 3 ways as a sum of consecutive naturals, for example, 17493 + ... + 20806.

It is an arithmetic number, because the mean of its divisors is an integer number (15875350).

Almost surely, 2^63461443 is an apocalyptic number.

63461443 is a deficient number, since it is larger than the sum of its proper divisors (39957).

63461443 is a wasteful number, since it uses less digits than its factorization.

63461443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39956.

The product of its digits is 20736, while the sum is 31.

The square root of 63461443 is about 7966.2690765502. The cubic root of 63461443 is about 398.8748442790.

Adding to 63461443 its reverse (34416436), we get a palindrome (97877879).

The spelling of 63461443 in words is "sixty-three million, four hundred sixty-one thousand, four hundred forty-three".