2543671317 has 24 divisors (see below), whose sum is σ = 3731882112. Its totient is φ = 1539978880.

The previous prime is 2543671313. The next prime is 2543671327. The reversal of 2543671317 is 7131763452.

2543671317 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2543671317 - 2² = 2543671313 is a prime.

It is a super-3 number, since 3×2543671317³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2543671313) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 397213 + ... + 403565.

It is an arithmetic number, because the mean of its divisors is an integer number (155495088).

Almost surely, 2^2543671317 is an apocalyptic number.

It is an amenable number.

2543671317 is a deficient number, since it is larger than the sum of its proper divisors (1188210795).

2543671317 is a wasteful number, since it uses less digits than its factorization.

2543671317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7481 (or 7470 counting only the distinct ones).

The product of its digits is 105840, while the sum is 39.

The square root of 2543671317 is about 50434.8224642459. The cubic root of 2543671317 is about 1365.0660457249.

The spelling of 2543671317 in words is "two billion, five hundred forty-three million, six hundred seventy-one thousand, three hundred seventeen".