2716289 has 2 divisors, whose sum is σ = 2716290. Its totient is φ = 2716288.

The previous prime is 2716279. The next prime is 2716309. The reversal of 2716289 is 9826172.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2274064 + 442225 = 1508^2 + 665^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2716289 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2716249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1358144 + 1358145.

It is an arithmetic number, because the mean of its divisors is an integer number (1358145).

2^2716289 is an apocalyptic number.

It is an amenable number.

2716289 is a deficient number, since it is larger than the sum of its proper divisors (1).

2716289 is an equidigital number, since it uses as much as digits as its factorization.

2716289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 35.

The square root of 2716289 is about 1648.1168041131. The cubic root of 2716289 is about 139.5271290960.

The spelling of 2716289 in words is "two million, seven hundred sixteen thousand, two hundred eighty-nine".