51071 has 2 divisors, whose sum is σ = 51072.
Its totient is φ = 51070.
The previous prime is 51061. The next prime is 51109. The reversal of 51071 is 17015.
Adding to 51071 its reverse (17015), we get a palindrome (68086).
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 51071 - 210 = 50047 is a prime.
It is a Chen prime.
It is a plaindrome in base 12.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (51001) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25535 + 25536.
It is an arithmetic number, because the mean of its divisors is an integer number (25536).
251071 is an apocalyptic number.
51071 is a deficient number, since it is larger than the sum of its proper divisors (1).
51071 is an equidigital number, since it uses as much as digits as its factorization.
51071 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 35, while the sum is 14.
The square root of 51071 is about 225.9889377824.
The cubic root of 51071 is about 37.1014987661.
The spelling of 51071 in words is "fifty-one thousand, seventy-one".