2318971 has 4 divisors (see below), whose sum is σ = 2323944. Its totient is φ = 2314000.

The previous prime is 2318959. The next prime is 2319013. The reversal of 2318971 is 1798132.

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 2318971 - 2⁷ = 2318843 is a prime.

It is a Duffinian number.

2318971 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2318951) 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, 1705 + ... + 2746.

It is an arithmetic number, because the mean of its divisors is an integer number (580986).

2^2318971 is an apocalyptic number.

2318971 is a deficient number, since it is larger than the sum of its proper divisors (4973).

2318971 is an equidigital number, since it uses as much as digits as its factorization.

2318971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4972.

The product of its digits is 3024, while the sum is 31.

The square root of 2318971 is about 1522.8167979110. The cubic root of 2318971 is about 132.3625440546.

The spelling of 2318971 in words is "two million, three hundred eighteen thousand, nine hundred seventy-one".