2618593 has 2 divisors, whose sum is σ = 2618594. Its totient is φ = 2618592.

The previous prime is 2618587. The next prime is 2618617. The reversal of 2618593 is 3958162.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1520289 + 1098304 = 1233^2 + 1048^2 .

It is a cyclic number.

It is not a de Polignac number, because 2618593 - 2⁹ = 2618081 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (2618533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1309296 + 1309297.

It is an arithmetic number, because the mean of its divisors is an integer number (1309297).

2^2618593 is an apocalyptic number.

It is an amenable number.

2618593 is a deficient number, since it is larger than the sum of its proper divisors (1).

2618593 is an equidigital number, since it uses as much as digits as its factorization.

2618593 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 34.

The square root of 2618593 is about 1618.2067235060. The cubic root of 2618593 is about 137.8338861013.

The spelling of 2618593 in words is "two million, six hundred eighteen thousand, five hundred ninety-three".