2531541347 has 2 divisors, whose sum is σ = 2531541348. Its totient is φ = 2531541346.

The previous prime is 2531541293. The next prime is 2531541359. The reversal of 2531541347 is 7431451352.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2531541347 - 2²⁰ = 2530492771 is a prime.

It is not a weakly prime, because it can be changed into another prime (2531541367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1265770673 + 1265770674.

It is an arithmetic number, because the mean of its divisors is an integer number (1265770674).

Almost surely, 2^2531541347 is an apocalyptic number.

2531541347 is a deficient number, since it is larger than the sum of its proper divisors (1).

2531541347 is an equidigital number, since it uses as much as digits as its factorization.

2531541347 is an evil number, because the sum of its binary digits is even.

The product of its digits is 50400, while the sum is 35.

The square root of 2531541347 is about 50314.4248401987. The cubic root of 2531541347 is about 1362.8927302856.

Adding to 2531541347 its reverse (7431451352), we get a palindrome (9962992699).

The spelling of 2531541347 in words is "two billion, five hundred thirty-one million, five hundred forty-one thousand, three hundred forty-seven".