2591072513 has 2 divisors, whose sum is σ = 2591072514. Its totient is φ = 2591072512.

The previous prime is 2591072479. The next prime is 2591072557. The reversal of 2591072513 is 3152701952.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2114436289 + 476636224 = 45983^2 + 21832^2 .

It is a cyclic number.

It is not a de Polignac number, because 2591072513 - 2¹⁰ = 2591071489 is a prime.

It is not a weakly prime, because it can be changed into another prime (2591072563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1295536256 + 1295536257.

It is an arithmetic number, because the mean of its divisors is an integer number (1295536257).

Almost surely, 2^2591072513 is an apocalyptic number.

It is an amenable number.

2591072513 is a deficient number, since it is larger than the sum of its proper divisors (1).

2591072513 is an equidigital number, since it uses as much as digits as its factorization.

2591072513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18900, while the sum is 35.

The square root of 2591072513 is about 50902.5786478446. The cubic root of 2591072513 is about 1373.4932277554.

The spelling of 2591072513 in words is "two billion, five hundred ninety-one million, seventy-two thousand, five hundred thirteen".