2530403543 has 2 divisors, whose sum is σ = 2530403544. Its totient is φ = 2530403542.

The previous prime is 2530403537. The next prime is 2530403567. The reversal of 2530403543 is 3453040352.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2530403543 - 2⁶ = 2530403479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2530403593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1265201771 + 1265201772.

It is an arithmetic number, because the mean of its divisors is an integer number (1265201772).

Almost surely, 2^2530403543 is an apocalyptic number.

2530403543 is a deficient number, since it is larger than the sum of its proper divisors (1).

2530403543 is an equidigital number, since it uses as much as digits as its factorization.

2530403543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 29.

The square root of 2530403543 is about 50303.1166330676. The cubic root of 2530403543 is about 1362.6885151498.

Adding to 2530403543 its reverse (3453040352), we get a palindrome (5983443895).

The spelling of 2530403543 in words is "two billion, five hundred thirty million, four hundred three thousand, five hundred forty-three".