2724109 has 2 divisors, whose sum is σ = 2724110. Its totient is φ = 2724108.

The previous prime is 2724079. The next prime is 2724119. The reversal of 2724109 is 9014272.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1447209 + 1276900 = 1203^2 + 1130^2 .

It is a cyclic number.

It is not a de Polignac number, because 2724109 - 2¹¹ = 2722061 is a prime.

2724109 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2724119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1362054 + 1362055.

It is an arithmetic number, because the mean of its divisors is an integer number (1362055).

2^2724109 is an apocalyptic number.

It is an amenable number.

2724109 is a deficient number, since it is larger than the sum of its proper divisors (1).

2724109 is an equidigital number, since it uses as much as digits as its factorization.

2724109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 2724109 is about 1650.4875037394. The cubic root of 2724109 is about 139.6608969870.

The spelling of 2724109 in words is "two million, seven hundred twenty-four thousand, one hundred nine".