2620504543 has 2 divisors, whose sum is σ = 2620504544. Its totient is φ = 2620504542.

The previous prime is 2620504511. The next prime is 2620504561. The reversal of 2620504543 is 3454050262.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2620504543 - 2⁵ = 2620504511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2620504043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1310252271 + 1310252272.

It is an arithmetic number, because the mean of its divisors is an integer number (1310252272).

Almost surely, 2^2620504543 is an apocalyptic number.

2620504543 is a deficient number, since it is larger than the sum of its proper divisors (1).

2620504543 is an equidigital number, since it uses as much as digits as its factorization.

2620504543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 2620504543 is about 51190.8638626074. The cubic root of 2620504543 is about 1378.6741699808.

The spelling of 2620504543 in words is "two billion, six hundred twenty million, five hundred four thousand, five hundred forty-three".