2321255 has 4 divisors (see below), whose sum is σ = 2785512. Its totient is φ = 1857000.

The previous prime is 2321243. The next prime is 2321273. The reversal of 2321255 is 5521232.

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

It is not a de Polignac number, because 2321255 - 2⁴ = 2321239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 232121 + ... + 232130.

It is an arithmetic number, because the mean of its divisors is an integer number (696378).

2^2321255 is an apocalyptic number.

2321255 is a deficient number, since it is larger than the sum of its proper divisors (464257).

2321255 is an equidigital number, since it uses as much as digits as its factorization.

2321255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464256.

The product of its digits is 600, while the sum is 20.

The square root of 2321255 is about 1523.5665394068. The cubic root of 2321255 is about 132.4059852839.

Adding to 2321255 its reverse (5521232), we get a palindrome (7842487).

The spelling of 2321255 in words is "two million, three hundred twenty-one thousand, two hundred fifty-five".