51043 has 2 divisors, whose sum is σ = 51044. Its totient is φ = 51042.

The previous prime is 51031. The next prime is 51047. The reversal of 51043 is 34015.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51043 is a prime.

It is a nialpdrome in base 16.

It is not a weakly prime, because it can be changed into another prime (51047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25521 + 25522.

It is an arithmetic number, because the mean of its divisors is an integer number (25522).

2⁵¹⁰⁴³ is an apocalyptic number.

51043 is a deficient number, since it is larger than the sum of its proper divisors (1).

51043 is an equidigital number, since it uses as much as digits as its factorization.

51043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 51043 is about 225.9269793539. The cubic root of 51043 is about 37.0947171492.

Adding to 51043 its reverse (34015), we get a palindrome (85058).

The spelling of 51043 in words is "fifty-one thousand, forty-three".