2730109 has 2 divisors, whose sum is σ = 2730110. Its totient is φ = 2730108.

The previous prime is 2730071. The next prime is 2730121. The reversal of 2730109 is 9010372.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2630884 + 99225 = 1622^2 + 315^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2730109 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2730109.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2730179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1365054 + 1365055.

It is an arithmetic number, because the mean of its divisors is an integer number (1365055).

2^2730109 is an apocalyptic number.

It is an amenable number.

2730109 is a deficient number, since it is larger than the sum of its proper divisors (1).

2730109 is an equidigital number, since it uses as much as digits as its factorization.

2730109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 378, while the sum is 22.

The square root of 2730109 is about 1652.3041487571. The cubic root of 2730109 is about 139.7633587353.

The spelling of 2730109 in words is "two million, seven hundred thirty thousand, one hundred nine".