2740219 has 2 divisors, whose sum is σ = 2740220. Its totient is φ = 2740218.

The previous prime is 2740217. The next prime is 2740223. The reversal of 2740219 is 9120472.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2740219 - 2¹ = 2740217 is a prime.

It is a super-2 number, since 2×2740219² = 15017600335922, which contains 22 as substring.

Together with 2740217, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 2740193 and 2740202.

It is not a weakly prime, because it can be changed into another prime (2740211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1370109 + 1370110.

It is an arithmetic number, because the mean of its divisors is an integer number (1370110).

2^2740219 is an apocalyptic number.

2740219 is a deficient number, since it is larger than the sum of its proper divisors (1).

2740219 is an equidigital number, since it uses as much as digits as its factorization.

2740219 is an evil number, because the sum of its binary digits is even.

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

The square root of 2740219 is about 1655.3606857721. The cubic root of 2740219 is about 139.9356677217.

It can be divided in two parts, 2740 and 219, that multiplied together give a triangular number (600060 = T₁₀₉₅).

The spelling of 2740219 in words is "two million, seven hundred forty thousand, two hundred nineteen".