2613739 has 2 divisors, whose sum is σ = 2613740. Its totient is φ = 2613738.

The previous prime is 2613731. The next prime is 2613757. The reversal of 2613739 is 9373162.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2613739 - 2³ = 2613731 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2613739.

It is not a weakly prime, because it can be changed into another prime (2613731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1306869 + 1306870.

It is an arithmetic number, because the mean of its divisors is an integer number (1306870).

2^2613739 is an apocalyptic number.

2613739 is a deficient number, since it is larger than the sum of its proper divisors (1).

2613739 is an equidigital number, since it uses as much as digits as its factorization.

2613739 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6804, while the sum is 31.

The square root of 2613739 is about 1616.7062194474. The cubic root of 2613739 is about 137.7486673718.

The spelling of 2613739 in words is "two million, six hundred thirteen thousand, seven hundred thirty-nine".