2543537341 has 2 divisors, whose sum is σ = 2543537342. Its totient is φ = 2543537340.

The previous prime is 2543537323. The next prime is 2543537371. The reversal of 2543537341 is 1437353452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2282068441 + 261468900 = 47771^2 + 16170^2 .

It is a cyclic number.

It is not a de Polignac number, because 2543537341 - 2²⁹ = 2006666429 is a prime.

It is a super-2 number, since 2×2543537341² = 12939164410122700562, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2543537341.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2543537371) 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 as a sum of consecutive naturals, namely, 1271768670 + 1271768671.

It is an arithmetic number, because the mean of its divisors is an integer number (1271768671).

Almost surely, 2^2543537341 is an apocalyptic number.

It is an amenable number.

2543537341 is a deficient number, since it is larger than the sum of its proper divisors (1).

2543537341 is an equidigital number, since it uses as much as digits as its factorization.

2543537341 is an odious number, because the sum of its binary digits is odd.

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

The square root of 2543537341 is about 50433.4942374609. The cubic root of 2543537341 is about 1365.0420791458.

The spelling of 2543537341 in words is "two billion, five hundred forty-three million, five hundred thirty-seven thousand, three hundred forty-one".