4321255 has 4 divisors (see below), whose sum is σ = 5185512. Its totient is φ = 3457000.

The previous prime is 4321243. The next prime is 4321259. The reversal of 4321255 is 5521234.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5521234 = 2 ⋅2760617.

It is not a de Polignac number, because 4321255 - 2¹⁷ = 4190183 is a prime.

It is a Duffinian number.

4321255 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4321259) 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, 432121 + ... + 432130.

It is an arithmetic number, because the mean of its divisors is an integer number (1296378).

Almost surely, 2^4321255 is an apocalyptic number.

4321255 is a deficient number, since it is larger than the sum of its proper divisors (864257).

4321255 is an equidigital number, since it uses as much as digits as its factorization.

4321255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864256.

The product of its digits is 1200, while the sum is 22.

The square root of 4321255 is about 2078.7628532375. The cubic root of 4321255 is about 162.8808267377.

Adding to 4321255 its reverse (5521234), we get a palindrome (9842489).

The spelling of 4321255 in words is "four million, three hundred twenty-one thousand, two hundred fifty-five".