2542450543 has 2 divisors, whose sum is σ = 2542450544. Its totient is φ = 2542450542.

The previous prime is 2542450517. The next prime is 2542450577. The reversal of 2542450543 is 3450542452.

It is an a-pointer prime, because the next prime (2542450577) can be obtained adding 2542450543 to its sum of digits (34).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2542450543 - 2¹⁷ = 2542319471 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2542450499 and 2542450508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2542451543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1271225271 + 1271225272.

It is an arithmetic number, because the mean of its divisors is an integer number (1271225272).

Almost surely, 2^2542450543 is an apocalyptic number.

2542450543 is a deficient number, since it is larger than the sum of its proper divisors (1).

2542450543 is an equidigital number, since it uses as much as digits as its factorization.

2542450543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96000, while the sum is 34.

The square root of 2542450543 is about 50422.7185205241. The cubic root of 2542450543 is about 1364.8476338850.

Adding to 2542450543 its reverse (3450542452), we get a palindrome (5992992995).

The spelling of 2542450543 in words is "two billion, five hundred forty-two million, four hundred fifty thousand, five hundred forty-three".