2097 has 6 divisors (see below), whose sum is σ = 3042.
Its totient is φ = 1392.
The previous prime is 2089. The next prime is 2099. The reversal of 2097 is 7902.
It can be written as a sum of positive squares in only one way, i.e., 1521 + 576 = 39^2 + 24^2
It is not a de Polignac number, because 2097 - 23 = 2089 is a prime.
It is a plaindrome in base 12.
It is a nialpdrome in base 13 and base 16.
It is not an unprimeable number, because it can be changed into a prime (2099) 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, 108 + ... + 125.
It is an arithmetic number, because the mean of its divisors is an integer number (507).
22097 is an apocalyptic number.
It is an amenable number.
2097 is a deficient number, since it is larger than the sum of its proper divisors (945).
2097 is a wasteful number, since it uses less digits than its factorization.
2097 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 239 (or 236 counting only the distinct ones).
The product of its (nonzero) digits is 126, while the sum is 18.
The square root of 2097 is about 45.7930125674.
The cubic root of 2097 is about 12.7996907477.
Adding to 2097 its reverse (7902), we get a palindrome (9999).
It can be divided in two parts, 209 and 7, that added together give a cube (216 = 63).
The spelling of 2097 in words is "two thousand, ninety-seven".