51343 has 2 divisors, whose sum is σ = 51344. Its totient is φ = 51342.

The previous prime is 51341. The next prime is 51347. The reversal of 51343 is 34315.

51343 is nontrivially palindromic in base 9.

51343 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51343 - 2¹ = 51341 is a prime.

It is a super-2 number, since 2×51343² = 5272207298, which contains 22 as substring.

Together with 51341, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25671 + 25672.

It is an arithmetic number, because the mean of its divisors is an integer number (25672).

2⁵¹³⁴³ is an apocalyptic number.

51343 is a deficient number, since it is larger than the sum of its proper divisors (1).

51343 is an equidigital number, since it uses as much as digits as its factorization.

51343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 180, while the sum is 16.

The square root of 51343 is about 226.5899379937. The cubic root of 51343 is about 37.1672487011.

Adding to 51343 its reverse (34315), we get a palindrome (85658).

The spelling of 51343 in words is "fifty-one thousand, three hundred forty-three".