2520581113 has 2 divisors, whose sum is σ = 2520581114. Its totient is φ = 2520581112.

The previous prime is 2520581111. The next prime is 2520581159. The reversal of 2520581113 is 3111850252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1722914064 + 797667049 = 41508^2 + 28243^2 .

It is a cyclic number.

It is not a de Polignac number, because 2520581113 - 2¹ = 2520581111 is a prime.

Together with 2520581111, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2520581111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1260290556 + 1260290557.

It is an arithmetic number, because the mean of its divisors is an integer number (1260290557).

Almost surely, 2^2520581113 is an apocalyptic number.

It is an amenable number.

2520581113 is a deficient number, since it is larger than the sum of its proper divisors (1).

2520581113 is an equidigital number, since it uses as much as digits as its factorization.

2520581113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2400, while the sum is 28.

The square root of 2520581113 is about 50205.3892824266. The cubic root of 2520581113 is about 1360.9230169074.

The spelling of 2520581113 in words is "two billion, five hundred twenty million, five hundred eighty-one thousand, one hundred thirteen".