2097311 has 2 divisors, whose sum is σ = 2097312. Its totient is φ = 2097310.

The previous prime is 2097289. The next prime is 2097317. The reversal of 2097311 is 1137902.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2097311 - 2¹⁴ = 2080927 is a prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 2²¹ + 0 + 9² + 7² + 3³ + 1 + 1 .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2097317) 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, 1048655 + 1048656.

It is an arithmetic number, because the mean of its divisors is an integer number (1048656).

2^2097311 is an apocalyptic number.

2097311 is a deficient number, since it is larger than the sum of its proper divisors (1).

2097311 is an equidigital number, since it uses as much as digits as its factorization.

2097311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 2097311 is about 1448.2095842798. The cubic root of 2097311 is about 128.0032347815.

The spelling of 2097311 in words is "two million, ninety-seven thousand, three hundred eleven".