43459 has 4 divisors (see below), whose sum is σ = 46816. Its totient is φ = 40104.

The previous prime is 43457. The next prime is 43481. The reversal of 43459 is 95434.

43459 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95434 = 2 ⋅47717.

It is a cyclic number.

It is not a de Polignac number, because 43459 - 2¹ = 43457 is a prime.

It is a Duffinian number.

43459 is a lucky number.

It is a nialpdrome in base 6.

It is not an unprimeable number, because it can be changed into a prime (43451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1659 + ... + 1684.

It is an arithmetic number, because the mean of its divisors is an integer number (11704).

2⁴³⁴⁵⁹ is an apocalyptic number.

43459 is a deficient number, since it is larger than the sum of its proper divisors (3357).

43459 is a wasteful number, since it uses less digits than its factorization.

43459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3356.

The product of its digits is 2160, while the sum is 25.

The square root of 43459 is about 208.4682229981. The cubic root of 43459 is about 35.1581954644.

Subtracting from 43459 its sum of digits (25), we obtain a palindrome (43434).

The spelling of 43459 in words is "forty-three thousand, four hundred fifty-nine".