2351 has 2 divisors, whose sum is σ = 2352.
Its totient is φ = 2350.
The previous prime is 2347. The next prime is 2357. The reversal of 2351 is 1532.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 2351 - 22 = 2347 is a prime.
It is a Sophie Germain prime.
It is a Chen prime.
It is a plaindrome in base 8 and base 14.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2357) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1175 + 1176.
It is an arithmetic number, because the mean of its divisors is an integer number (1176).
22351 is an apocalyptic number.
2351 is a deficient number, since it is larger than the sum of its proper divisors (1).
2351 is an equidigital number, since it uses as much as digits as its factorization.
2351 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 30, while the sum is 11.
The square root of 2351 is about 48.4871116896.
The cubic root of 2351 is about 13.2969145046.
Adding to 2351 its reverse (1532), we get a palindrome (3883).
It can be divided in two parts, 2 and 351, that added together give a palindrome (353).
The spelling of 2351 in words is "two thousand, three hundred fifty-one".