2318291 has 4 divisors (see below), whose sum is σ = 2334000. Its totient is φ = 2302584.

The previous prime is 2318279. The next prime is 2318293. The reversal of 2318291 is 1928132.

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

It is a cyclic number.

It is not a de Polignac number, because 2318291 - 2¹⁰ = 2317267 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2318291.

It is not an unprimeable number, because it can be changed into a prime (2318293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7631 + ... + 7928.

It is an arithmetic number, because the mean of its divisors is an integer number (583500).

2^2318291 is an apocalyptic number.

2318291 is a deficient number, since it is larger than the sum of its proper divisors (15709).

2318291 is a wasteful number, since it uses less digits than its factorization.

2318291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15708.

The product of its digits is 864, while the sum is 26.

The square root of 2318291 is about 1522.5935110856. The cubic root of 2318291 is about 132.3496050788.

The spelling of 2318291 in words is "two million, three hundred eighteen thousand, two hundred ninety-one".