2545102543 has 2 divisors, whose sum is σ = 2545102544. Its totient is φ = 2545102542.

The previous prime is 2545102541. The next prime is 2545102577. The reversal of 2545102543 is 3452015452.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2545102543 - 2¹ = 2545102541 is a prime.

Together with 2545102541, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2545102541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1272551271 + 1272551272.

It is an arithmetic number, because the mean of its divisors is an integer number (1272551272).

Almost surely, 2^2545102543 is an apocalyptic number.

2545102543 is a deficient number, since it is larger than the sum of its proper divisors (1).

2545102543 is an equidigital number, since it uses as much as digits as its factorization.

2545102543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 2545102543 is about 50449.0093361604. The cubic root of 2545102543 is about 1365.3220211059.

Adding to 2545102543 its reverse (3452015452), we get a palindrome (5997117995).

The spelling of 2545102543 in words is "two billion, five hundred forty-five million, one hundred two thousand, five hundred forty-three".