2716609 has 6 divisors (see below), whose sum is σ = 3160194. Its totient is φ = 2328480.

The previous prime is 2716603. The next prime is 2716613. The reversal of 2716609 is 9066172.

2716609 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2265025 + 451584 = 1505^2 + 672^2 .

It is not a de Polignac number, because 2716609 - 2¹³ = 2708417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2716603) 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 in 5 ways as a sum of consecutive naturals, for example, 27672 + ... + 27769.

It is an arithmetic number, because the mean of its divisors is an integer number (526699).

2^2716609 is an apocalyptic number.

It is an amenable number.

2716609 is a deficient number, since it is larger than the sum of its proper divisors (443585).

2716609 is an equidigital number, since it uses as much as digits as its factorization.

2716609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55455 (or 55448 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 2716609 is about 1648.2138817520. The cubic root of 2716609 is about 139.5326080083.

The spelling of 2716609 in words is "two million, seven hundred sixteen thousand, six hundred nine".