2791513 has 2 divisors, whose sum is σ = 2791514. Its totient is φ = 2791512.

The previous prime is 2791501. The next prime is 2791531. The reversal of 2791513 is 3151972.

Together with next prime (2791531) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2534464 + 257049 = 1592^2 + 507^2 .

It is a cyclic number.

It is not a de Polignac number, because 2791513 - 2¹³ = 2783321 is a prime.

It is not a weakly prime, because it can be changed into another prime (2791583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1395756 + 1395757.

It is an arithmetic number, because the mean of its divisors is an integer number (1395757).

2^2791513 is an apocalyptic number.

It is an amenable number.

2791513 is a deficient number, since it is larger than the sum of its proper divisors (1).

2791513 is an equidigital number, since it uses as much as digits as its factorization.

2791513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1890, while the sum is 28.

The square root of 2791513 is about 1670.7821521671. The cubic root of 2791513 is about 140.8034247456.

The spelling of 2791513 in words is "two million, seven hundred ninety-one thousand, five hundred thirteen".