4243055 has 4 divisors (see below), whose sum is σ = 5091672. Its totient is φ = 3394440.

The previous prime is 4243051. The next prime is 4243067. The reversal of 4243055 is 5503424.

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

It is not a de Polignac number, because 4243055 - 2² = 4243051 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4243055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4243051) 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, 424301 + ... + 424310.

It is an arithmetic number, because the mean of its divisors is an integer number (1272918).

Almost surely, 2^4243055 is an apocalyptic number.

4243055 is a deficient number, since it is larger than the sum of its proper divisors (848617).

4243055 is an equidigital number, since it uses as much as digits as its factorization.

4243055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848616.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 4243055 is about 2059.8677141991. The cubic root of 4243055 is about 161.8923101796.

Adding to 4243055 its reverse (5503424), we get a palindrome (9746479).

The spelling of 4243055 in words is "four million, two hundred forty-three thousand, fifty-five".