2613761 has 2 divisors, whose sum is σ = 2613762. Its totient is φ = 2613760.

The previous prime is 2613757. The next prime is 2613763. The reversal of 2613761 is 1673162.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1874161 + 739600 = 1369^2 + 860^2 .

It is a cyclic number.

It is not a de Polignac number, because 2613761 - 2² = 2613757 is a prime.

Together with 2613763, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2613761.

It is not a weakly prime, because it can be changed into another prime (2613763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1306880 + 1306881.

It is an arithmetic number, because the mean of its divisors is an integer number (1306881).

2^2613761 is an apocalyptic number.

It is an amenable number.

2613761 is a deficient number, since it is larger than the sum of its proper divisors (1).

2613761 is an equidigital number, since it uses as much as digits as its factorization.

2613761 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1512, while the sum is 26.

The square root of 2613761 is about 1616.7130233904. The cubic root of 2613761 is about 137.7490538504.

The spelling of 2613761 in words is "two million, six hundred thirteen thousand, seven hundred sixty-one".