53243 has 4 divisors (see below), whose sum is σ = 54720. Its totient is φ = 51768.

The previous prime is 53239. The next prime is 53267. The reversal of 53243 is 34235.

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 53243 - 2² = 53239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 683 + ... + 756.

It is an arithmetic number, because the mean of its divisors is an integer number (13680).

2⁵³²⁴³ is an apocalyptic number.

53243 is a deficient number, since it is larger than the sum of its proper divisors (1477).

53243 is a wasteful number, since it uses less digits than its factorization.

53243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1476.

The product of its digits is 360, while the sum is 17.

The square root of 53243 is about 230.7444473871. The cubic root of 53243 is about 37.6201774152.

Adding to 53243 its reverse (34235), we get a palindrome (87478).

It can be divided in two parts, 532 and 43, that added together give a palindrome (575).

The spelling of 53243 in words is "fifty-three thousand, two hundred forty-three".