2258543 has 4 divisors (see below), whose sum is σ = 2581200. Its totient is φ = 1935888.

The previous prime is 2258539. The next prime is 2258561. The reversal of 2258543 is 3458522.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3458522 = 2 ⋅1729261.

It is a cyclic number.

It is not a de Polignac number, because 2258543 - 2² = 2258539 is a prime.

It is a d-powerful number, because it can be written as 2 + 2¹³ + 5³ + 8⁵ + 5⁹ + 4⁹ + 3⁷ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2258573) 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, 161318 + ... + 161331.

It is an arithmetic number, because the mean of its divisors is an integer number (645300).

2^2258543 is an apocalyptic number.

2258543 is a deficient number, since it is larger than the sum of its proper divisors (322657).

2258543 is an equidigital number, since it uses as much as digits as its factorization.

2258543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322656.

The product of its digits is 9600, while the sum is 29.

The square root of 2258543 is about 1502.8449687177. The cubic root of 2258543 is about 131.2027046525.

The spelling of 2258543 in words is "two million, two hundred fifty-eight thousand, five hundred forty-three".