2797247 has 2 divisors, whose sum is σ = 2797248. Its totient is φ = 2797246.

The previous prime is 2797241. The next prime is 2797259. The reversal of 2797247 is 7427972.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2797247 - 2¹⁰ = 2796223 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2797247.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2797241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1398623 + 1398624.

It is an arithmetic number, because the mean of its divisors is an integer number (1398624).

2^2797247 is an apocalyptic number.

2797247 is a deficient number, since it is larger than the sum of its proper divisors (1).

2797247 is an equidigital number, since it uses as much as digits as its factorization.

2797247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 49392, while the sum is 38.

The square root of 2797247 is about 1672.4972346763. The cubic root of 2797247 is about 140.8997661284.

The spelling of 2797247 in words is "two million, seven hundred ninety-seven thousand, two hundred forty-seven".