2616613 has 2 divisors, whose sum is σ = 2616614. Its totient is φ = 2616612.

The previous prime is 2616599. The next prime is 2616637. The reversal of 2616613 is 3166162.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2259009 + 357604 = 1503^2 + 598^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2616613 is a prime.

2616613 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2616643) 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, 1308306 + 1308307.

It is an arithmetic number, because the mean of its divisors is an integer number (1308307).

2^2616613 is an apocalyptic number.

It is an amenable number.

2616613 is a deficient number, since it is larger than the sum of its proper divisors (1).

2616613 is an equidigital number, since it uses as much as digits as its factorization.

2616613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296, while the sum is 25.

The square root of 2616613 is about 1617.5948194774. The cubic root of 2616613 is about 137.7991371720.

The spelling of 2616613 in words is "two million, six hundred sixteen thousand, six hundred thirteen".