2097159 has 4 divisors (see below), whose sum is σ = 2796216. Its totient is φ = 1398104.

The previous prime is 2097143. The next prime is 2097169. The reversal of 2097159 is 9517902.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2097159 - 2⁴ = 2097143 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2097169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 349524 + ... + 349529.

It is an arithmetic number, because the mean of its divisors is an integer number (699054).

2^2097159 is an apocalyptic number.

2097159 is a deficient number, since it is larger than the sum of its proper divisors (699057).

2097159 is an equidigital number, since it uses as much as digits as its factorization.

2097159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699056.

The product of its (nonzero) digits is 5670, while the sum is 33.

The square root of 2097159 is about 1448.1571047369. The cubic root of 2097159 is about 128.0001424152. Note that the first 3 decimals are identical.

It can be divided in two parts, 20 and 97159, that added together give a palindrome (97179).

The spelling of 2097159 in words is "two million, ninety-seven thousand, one hundred fifty-nine".