3112609 has 2 divisors, whose sum is σ = 3112610. Its totient is φ = 3112608.

The previous prime is 3112519. The next prime is 3112621. The reversal of 3112609 is 9062113.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2016400 + 1096209 = 1420^2 + 1047^2 .

It is an emirp because it is prime and its reverse (9062113) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3112609 - 2¹¹ = 3110561 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3112609.

It is not a weakly prime, because it can be changed into another prime (3112639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1556304 + 1556305.

It is an arithmetic number, because the mean of its divisors is an integer number (1556305).

Almost surely, 2^3112609 is an apocalyptic number.

It is an amenable number.

3112609 is a deficient number, since it is larger than the sum of its proper divisors (1).

3112609 is an equidigital number, since it uses as much as digits as its factorization.

3112609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 3112609 is about 1764.2587678683. The cubic root of 3112609 is about 146.0073962601.

It can be divided in two parts, 3112 and 609, that added together give a square (3721 = 61²).

The spelling of 3112609 in words is "three million, one hundred twelve thousand, six hundred nine".