2543315347 has 4 divisors (see below), whose sum is σ = 2543849896. Its totient is φ = 2542780800.

The previous prime is 2543315329. The next prime is 2543315363. The reversal of 2543315347 is 7435133452.

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 2543315347 - 2⁷ = 2543315219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2543315147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260073 + ... + 269674.

It is an arithmetic number, because the mean of its divisors is an integer number (635962474).

Almost surely, 2^2543315347 is an apocalyptic number.

2543315347 is a deficient number, since it is larger than the sum of its proper divisors (534549).

2543315347 is an equidigital number, since it uses as much as digits as its factorization.

2543315347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534548.

The product of its digits is 151200, while the sum is 37.

The square root of 2543315347 is about 50431.2933306295. The cubic root of 2543315347 is about 1365.0023654286.

Adding to 2543315347 its reverse (7435133452), we get a palindrome (9978448799).

The spelling of 2543315347 in words is "two billion, five hundred forty-three million, three hundred fifteen thousand, three hundred forty-seven".