5851 has 2 divisors, whose sum is σ = 5852.
Its totient is φ = 5850.
The previous prime is 5849. The next prime is 5857. The reversal of 5851 is 1585.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 5851 - 21 = 5849 is a prime.
Together with 5849, it forms a pair of twin primes.
It is a Chen prime.
5851 is a lucky number.
It is a plaindrome in base 8 and base 12.
It is not a weakly prime, because it can be changed into another prime (5857) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2925 + 2926.
It is an arithmetic number, because the mean of its divisors is an integer number (2926).
25851 is an apocalyptic number.
5851 is a deficient number, since it is larger than the sum of its proper divisors (1).
5851 is an equidigital number, since it uses as much as digits as its factorization.
5851 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 200, while the sum is 19.
The square root of 5851 is about 76.4918296291.
The cubic root of 5851 is about 18.0195261358.
Subtracting from 5851 its sum of digits (19), we obtain a cube (5832 = 183).
The spelling of 5851 in words is "five thousand, eight hundred fifty-one".