2259705 has 16 divisors (see below), whose sum is σ = 4132224. Its totient is φ = 1032960.

The previous prime is 2259703. The next prime is 2259707. The reversal of 2259705 is 5079522.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2259703) and next prime (2259707).

It is not a de Polignac number, because 2259705 - 2¹ = 2259703 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 10656 + ... + 10865.

It is an arithmetic number, because the mean of its divisors is an integer number (258264).

2^2259705 is an apocalyptic number.

It is an amenable number.

2259705 is a deficient number, since it is larger than the sum of its proper divisors (1872519).

2259705 is a wasteful number, since it uses less digits than its factorization.

2259705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21536.

The product of its (nonzero) digits is 6300, while the sum is 30.

The square root of 2259705 is about 1503.2315190948. The cubic root of 2259705 is about 131.2252016641.

The spelling of 2259705 in words is "two million, two hundred fifty-nine thousand, seven hundred five".