2723317 has 2 divisors, whose sum is σ = 2723318. Its totient is φ = 2723316.

The previous prime is 2723293. The next prime is 2723323. The reversal of 2723317 is 7133272.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2669956 + 53361 = 1634^2 + 231^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2723317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2723291 and 2723300.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2723387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1361658 + 1361659.

It is an arithmetic number, because the mean of its divisors is an integer number (1361659).

2^2723317 is an apocalyptic number.

It is an amenable number.

2723317 is a deficient number, since it is larger than the sum of its proper divisors (1).

2723317 is an equidigital number, since it uses as much as digits as its factorization.

2723317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1764, while the sum is 25.

The square root of 2723317 is about 1650.2475571865. The cubic root of 2723317 is about 139.6473607994.

Adding to 2723317 its reverse (7133272), we get a palindrome (9856589).

The spelling of 2723317 in words is "two million, seven hundred twenty-three thousand, three hundred seventeen".