2259743 has 4 divisors (see below), whose sum is σ = 2265288. Its totient is φ = 2254200.

The previous prime is 2259739. The next prime is 2259769. The reversal of 2259743 is 3479522.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2259743 - 2² = 2259739 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 (2259703) 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, 2108 + ... + 2993.

It is an arithmetic number, because the mean of its divisors is an integer number (566322).

2^2259743 is an apocalyptic number.

2259743 is a deficient number, since it is larger than the sum of its proper divisors (5545).

2259743 is an equidigital number, since it uses as much as digits as its factorization.

2259743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5544.

The product of its digits is 15120, while the sum is 32.

The square root of 2259743 is about 1503.2441584786. The cubic root of 2259743 is about 131.2259372365.

The spelling of 2259743 in words is "two million, two hundred fifty-nine thousand, seven hundred forty-three".