2316605 has 4 divisors (see below), whose sum is σ = 2779932. Its totient is φ = 1853280.

The previous prime is 2316593. The next prime is 2316617. The reversal of 2316605 is 5066132.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2316593) and next prime (2316617).

It can be written as a sum of positive squares in 2 ways, for example, as 850084 + 1466521 = 922^2 + 1211^2 .

It is not a de Polignac number, because 2316605 - 2¹⁰ = 2315581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 231656 + ... + 231665.

It is an arithmetic number, because the mean of its divisors is an integer number (694983).

2^2316605 is an apocalyptic number.

It is an amenable number.

2316605 is a deficient number, since it is larger than the sum of its proper divisors (463327).

2316605 is an equidigital number, since it uses as much as digits as its factorization.

2316605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463326.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 2316605 is about 1522.0397498094. The cubic root of 2316605 is about 132.3175131125.

Adding to 2316605 its sum of digits (23), we get a triangular number (2316628 = T₂₁₅₂).

The spelling of 2316605 in words is "two million, three hundred sixteen thousand, six hundred five".