2097611 has 2 divisors, whose sum is σ = 2097612. Its totient is φ = 2097610.

The previous prime is 2097593. The next prime is 2097617. The reversal of 2097611 is 1167902.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2097611 - 2¹⁸ = 1835467 is a prime.

It is not a weakly prime, because it can be changed into another prime (2097617) 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, 1048805 + 1048806.

It is an arithmetic number, because the mean of its divisors is an integer number (1048806).

2^2097611 is an apocalyptic number.

2097611 is a deficient number, since it is larger than the sum of its proper divisors (1).

2097611 is an equidigital number, since it uses as much as digits as its factorization.

2097611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 2097611 is about 1448.3131567448. The cubic root of 2097611 is about 128.0093376977.

The spelling of 2097611 in words is "two million, ninety-seven thousand, six hundred eleven".