2315305 has 8 divisors (see below), whose sum is σ = 2831112. Its totient is φ = 1817088.

The previous prime is 2315263. The next prime is 2315317. The reversal of 2315305 is 5035132.

It can be written as a sum of positive squares in 4 ways, for example, as 310249 + 2005056 = 557^2 + 1416^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2315305 - 2⁷ = 2315177 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4104 + ... + 4633.

It is an arithmetic number, because the mean of its divisors is an integer number (353889).

2^2315305 is an apocalyptic number.

It is an amenable number.

2315305 is a deficient number, since it is larger than the sum of its proper divisors (515807).

2315305 is an equidigital number, since it uses as much as digits as its factorization.

2315305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8795.

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 2315305 is about 1521.6126313882. The cubic root of 2315305 is about 132.2927577841.

The spelling of 2315305 in words is "two million, three hundred fifteen thousand, three hundred five".