2397217 has 2 divisors, whose sum is σ = 2397218. Its totient is φ = 2397216.

The previous prime is 2397209. The next prime is 2397251. The reversal of 2397217 is 7127932.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2238016 + 159201 = 1496^2 + 399^2 .

It is a cyclic number.

It is not a de Polignac number, because 2397217 - 2³ = 2397209 is a prime.

It is not a weakly prime, because it can be changed into another prime (2397277) 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, 1198608 + 1198609.

It is an arithmetic number, because the mean of its divisors is an integer number (1198609).

2^2397217 is an apocalyptic number.

It is an amenable number.

2397217 is a deficient number, since it is larger than the sum of its proper divisors (1).

2397217 is an equidigital number, since it uses as much as digits as its factorization.

2397217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5292, while the sum is 31.

The square root of 2397217 is about 1548.2948685570. The cubic root of 2397217 is about 133.8348191143.

The spelling of 2397217 in words is "two million, three hundred ninety-seven thousand, two hundred seventeen".