2505022543 has 2 divisors, whose sum is σ = 2505022544. Its totient is φ = 2505022542.

The previous prime is 2505022519. The next prime is 2505022601. The reversal of 2505022543 is 3452205052.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2505022543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2505022043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1252511271 + 1252511272.

It is an arithmetic number, because the mean of its divisors is an integer number (1252511272).

Almost surely, 2^2505022543 is an apocalyptic number.

2505022543 is a deficient number, since it is larger than the sum of its proper divisors (1).

2505022543 is an equidigital number, since it uses as much as digits as its factorization.

2505022543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12000, while the sum is 28.

The square root of 2505022543 is about 50050.2002293697. The cubic root of 2505022543 is about 1358.1170856004.

Adding to 2505022543 its reverse (3452205052), we get a palindrome (5957227595).

The spelling of 2505022543 in words is "two billion, five hundred five million, twenty-two thousand, five hundred forty-three".