2530756513 has 2 divisors, whose sum is σ = 2530756514. Its totient is φ = 2530756512.

The previous prime is 2530756511. The next prime is 2530756523. The reversal of 2530756513 is 3156570352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1306316449 + 1224440064 = 36143^2 + 34992^2 .

It is a cyclic number.

It is not a de Polignac number, because 2530756513 - 2¹ = 2530756511 is a prime.

Together with 2530756511, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2530756511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1265378256 + 1265378257.

It is an arithmetic number, because the mean of its divisors is an integer number (1265378257).

Almost surely, 2^2530756513 is an apocalyptic number.

It is an amenable number.

2530756513 is a deficient number, since it is larger than the sum of its proper divisors (1).

2530756513 is an equidigital number, since it uses as much as digits as its factorization.

2530756513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 94500, while the sum is 37.

The square root of 2530756513 is about 50306.6249414528. The cubic root of 2530756513 is about 1362.7518733974.

The spelling of 2530756513 in words is "two billion, five hundred thirty million, seven hundred fifty-six thousand, five hundred thirteen".