2543348247 has 24 divisors (see below), whose sum is σ = 3735355008. Its totient is φ = 1538151120.

The previous prime is 2543348239. The next prime is 2543348263. The reversal of 2543348247 is 7428433452.

2543348247 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 2543348247 - 2³ = 2543348239 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2543348199 and 2543348208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2543348237) 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, 169588 + ... + 183974.

It is an arithmetic number, because the mean of its divisors is an integer number (155639792).

Almost surely, 2^2543348247 is an apocalyptic number.

2543348247 is a deficient number, since it is larger than the sum of its proper divisors (1192006761).

2543348247 is a wasteful number, since it uses less digits than its factorization.

2543348247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14899 (or 14888 counting only the distinct ones).

The product of its digits is 645120, while the sum is 42.

The square root of 2543348247 is about 50431.6195159346. The cubic root of 2543348247 is about 1365.0082512349.

The spelling of 2543348247 in words is "two billion, five hundred forty-three million, three hundred forty-eight thousand, two hundred forty-seven".