2741209 has 4 divisors (see below), whose sum is σ = 2860416. Its totient is φ = 2622004.

The previous prime is 2741201. The next prime is 2741227. The reversal of 2741209 is 9021472.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2741209 - 2³ = 2741201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2741201) 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 in 3 ways as a sum of consecutive naturals, for example, 59569 + ... + 59614.

It is an arithmetic number, because the mean of its divisors is an integer number (715104).

2^2741209 is an apocalyptic number.

It is an amenable number.

2741209 is a deficient number, since it is larger than the sum of its proper divisors (119207).

2741209 is a wasteful number, since it uses less digits than its factorization.

2741209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119206.

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

The square root of 2741209 is about 1655.6596872546. The cubic root of 2741209 is about 139.9525179115.

The spelling of 2741209 in words is "two million, seven hundred forty-one thousand, two hundred nine".