2097449 has 2 divisors, whose sum is σ = 2097450. Its totient is φ = 2097448.

The previous prime is 2097427. The next prime is 2097451. The reversal of 2097449 is 9447902.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1651225 + 446224 = 1285^2 + 668^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2097449 is a prime.

Together with 2097451, it forms a pair of twin primes.

It is a Chen prime.

It is a d-powerful number, because it can be written as 2²¹ + 0 + 9 + 7 + 4² + 4⁴ + 9 .

It is not a weakly prime, because it can be changed into another prime (2097479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1048724 + 1048725.

It is an arithmetic number, because the mean of its divisors is an integer number (1048725).

2^2097449 is an apocalyptic number.

It is an amenable number.

2097449 is a deficient number, since it is larger than the sum of its proper divisors (1).

2097449 is an equidigital number, since it uses as much as digits as its factorization.

2097449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 2097449 is about 1448.2572285337. The cubic root of 2097449 is about 128.0060421952.

The spelling of 2097449 in words is "two million, ninety-seven thousand, four hundred forty-nine".