63243 has 6 divisors (see below), whose sum is σ = 91364. Its totient is φ = 42156.

The previous prime is 63241. The next prime is 63247. The reversal of 63243 is 34236.

It is not a de Polignac number, because 63243 - 2¹ = 63241 is a prime.

It is a Duffinian number.

63243 is a modest number, since divided by 243 gives 63 as remainder.

63243 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (63241) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3505 + ... + 3522.

2⁶³²⁴³ is an apocalyptic number.

63243 is a deficient number, since it is larger than the sum of its proper divisors (28121).

63243 is a wasteful number, since it uses less digits than its factorization.

63243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7033 (or 7030 counting only the distinct ones).

The product of its digits is 432, while the sum is 18.

The square root of 63243 is about 251.4816096656. The cubic root of 63243 is about 39.8416657503.

Adding to 63243 its reverse (34236), we get a palindrome (97479).

It can be divided in two parts, 6 and 3243, that added together give a square (3249 = 57²).

The spelling of 63243 in words is "sixty-three thousand, two hundred forty-three".