2531148543 has 72 divisors (see below), whose sum is σ = 4741388288. Its totient is φ = 1272348000.

The previous prime is 2531148511. The next prime is 2531148563. The reversal of 2531148543 is 3458411352.

2531148543 is a `hidden beast` number, since 2 + 531 + 1 + 4 + 85 + 43 = 666.

It is not a de Polignac number, because 2531148543 - 2⁵ = 2531148511 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2531148498 and 2531148507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2531148563) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 230958 + ... + 241668.

Almost surely, 2^2531148543 is an apocalyptic number.

2531148543 is a deficient number, since it is larger than the sum of its proper divisors (2210239745).

2531148543 is a wasteful number, since it uses less digits than its factorization.

2531148543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10777 (or 10763 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 2531148543 is about 50310.5211958692. The cubic root of 2531148543 is about 1362.8222360249.

Adding to 2531148543 its reverse (3458411352), we get a palindrome (5989559895).

The spelling of 2531148543 in words is "two billion, five hundred thirty-one million, one hundred forty-eight thousand, five hundred forty-three".