63443 has 2 divisors, whose sum is σ = 63444. Its totient is φ = 63442.

The previous prime is 63439. The next prime is 63463. The reversal of 63443 is 34436.

It is a happy number.

It is an a-pointer prime, because the next prime (63463) can be obtained adding 63443 to its sum of digits (20).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63443 - 2² = 63439 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (63463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31721 + 31722.

It is an arithmetic number, because the mean of its divisors is an integer number (31722).

2⁶³⁴⁴³ is an apocalyptic number.

63443 is a deficient number, since it is larger than the sum of its proper divisors (1).

63443 is an equidigital number, since it uses as much as digits as its factorization.

63443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 20.

The square root of 63443 is about 251.8789391752. The cubic root of 63443 is about 39.8836200544.

Adding to 63443 its reverse (34436), we get a palindrome (97879).

The spelling of 63443 in words is "sixty-three thousand, four hundred forty-three".