2897197 has 2 divisors, whose sum is σ = 2897198. Its totient is φ = 2897196.

The previous prime is 2897179. The next prime is 2897227. The reversal of 2897197 is 7917982.

It is a happy number.

2897197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (2897179) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2725801 + 171396 = 1651^2 + 414^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2897197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2897107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1448598 + 1448599.

It is an arithmetic number, because the mean of its divisors is an integer number (1448599).

2^2897197 is an apocalyptic number.

It is an amenable number.

2897197 is a deficient number, since it is larger than the sum of its proper divisors (1).

2897197 is an equidigital number, since it uses as much as digits as its factorization.

2897197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 63504, while the sum is 43.

The square root of 2897197 is about 1702.1154484934. The cubic root of 2897197 is about 142.5583550882.

The spelling of 2897197 in words is "two million, eight hundred ninety-seven thousand, one hundred ninety-seven".