2543422613 has 2 divisors, whose sum is σ = 2543422614. Its totient is φ = 2543422612.

The previous prime is 2543422601. The next prime is 2543422619. The reversal of 2543422613 is 3162243452.

2543422613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2536331044 + 7091569 = 50362^2 + 2663^2 .

It is a cyclic number.

It is not a de Polignac number, because 2543422613 - 2¹⁰ = 2543421589 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2543422613.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2543422619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1271711306 + 1271711307.

It is an arithmetic number, because the mean of its divisors is an integer number (1271711307).

Almost surely, 2^2543422613 is an apocalyptic number.

It is an amenable number.

2543422613 is a deficient number, since it is larger than the sum of its proper divisors (1).

2543422613 is an equidigital number, since it uses as much as digits as its factorization.

2543422613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34560, while the sum is 32.

The square root of 2543422613 is about 50432.3568059237. The cubic root of 2543422613 is about 1365.0215551168.

The spelling of 2543422613 in words is "two billion, five hundred forty-three million, four hundred twenty-two thousand, six hundred thirteen".