2740259 has 8 divisors (see below), whose sum is σ = 2818800. Its totient is φ = 2662816.

The previous prime is 2740249. The next prime is 2740267. The reversal of 2740259 is 9520472.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2740259 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2740219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7724 + ... + 8070.

It is an arithmetic number, because the mean of its divisors is an integer number (352350).

2^2740259 is an apocalyptic number.

2740259 is a deficient number, since it is larger than the sum of its proper divisors (78541).

2740259 is a wasteful number, since it uses less digits than its factorization.

2740259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 2740259 is about 1655.3727676871. The cubic root of 2740259 is about 139.9363486161.

The spelling of 2740259 in words is "two million, seven hundred forty thousand, two hundred fifty-nine".