2567531513 has 2 divisors, whose sum is σ = 2567531514. Its totient is φ = 2567531512.

The previous prime is 2567531467. The next prime is 2567531537. The reversal of 2567531513 is 3151357652.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2272619584 + 294911929 = 47672^2 + 17173^2 .

It is a cyclic number.

It is not a de Polignac number, because 2567531513 - 2²⁶ = 2500422649 is a prime.

It is not a weakly prime, because it can be changed into another prime (2567530513) 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, 1283765756 + 1283765757.

It is an arithmetic number, because the mean of its divisors is an integer number (1283765757).

Almost surely, 2^2567531513 is an apocalyptic number.

It is an amenable number.

2567531513 is a deficient number, since it is larger than the sum of its proper divisors (1).

2567531513 is an equidigital number, since it uses as much as digits as its factorization.

2567531513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 94500, while the sum is 38.

The square root of 2567531513 is about 50670.8151996788. The cubic root of 2567531513 is about 1369.3209757755.

The spelling of 2567531513 in words is "two billion, five hundred sixty-seven million, five hundred thirty-one thousand, five hundred thirteen".