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2107 = 7243

2107 has 6 divisors (see below), whose sum is σ = 2508. Its totient is φ = 1764.

The previous prime is 2099. The next prime is 2111. The reversal of 2107 is 7012.

Adding to 2107 its reverse (7012), we get a palindrome (9119).

2107 is nontrivially palindromic in base 6.

2107 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2107 - 23 = 2099 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a nialpdrome in base 7, base 13 and base 14.

It is a junction number, because it is equal to n+sod(n) for n = 2093 and 2102.

It is not an unprimeable number, because it can be changed into a prime (2137) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28 + ... + 70.

It is an arithmetic number, because the mean of its divisors is an integer number (418).

2107 is the 27-th hex number.

2107 is a deficient number, since it is larger than the sum of its proper divisors (401).

2107 is an equidigital number, since it uses as much as digits as its factorization.

With its successor (2108) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (50).

2107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57 (or 50 counting only the distinct ones).

The product of its (nonzero) digits is 14, while the sum is 10.

The square root of 2107 is about 45.9020696701. The cubic root of 2107 is about 12.8200045269.

The spelling of 2107 in words is "two thousand, one hundred seven", and thus it is an iban number.

Divisors: 1 7 43 49 301 2107