2543252013241 has 2 divisors, whose sum is σ = 2543252013242. Its totient is φ = 2543252013240.

The previous prime is 2543252013229. The next prime is 2543252013283. The reversal of 2543252013241 is 1423102523452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2429343063225 + 113908950016 = 1558635^2 + 337504^2 .

It is a cyclic number.

It is not a de Polignac number, because 2543252013241 - 2²³ = 2543243624633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2543252013197 and 2543252013206.

It is not a weakly prime, because it can be changed into another prime (2543252013221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1271626006620 + 1271626006621.

It is an arithmetic number, because the mean of its divisors is an integer number (1271626006621).

Almost surely, 2^{2543252013241} is an apocalyptic number.

It is an amenable number.

2543252013241 is a deficient number, since it is larger than the sum of its proper divisors (1).

2543252013241 is an equidigital number, since it uses as much as digits as its factorization.

2543252013241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 2543252013241 its reverse (1423102523452), we get a palindrome (3966354536693).

The spelling of 2543252013241 in words is "two trillion, five hundred forty-three billion, two hundred fifty-two million, thirteen thousand, two hundred forty-one".