2815255 has 4 divisors (see below), whose sum is σ = 3378312. Its totient is φ = 2252200.

The previous prime is 2815247. The next prime is 2815259. The reversal of 2815255 is 5525182.

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

It is not a de Polignac number, because 2815255 - 2³ = 2815247 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2815259) 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, 281521 + ... + 281530.

It is an arithmetic number, because the mean of its divisors is an integer number (844578).

2^2815255 is an apocalyptic number.

2815255 is a deficient number, since it is larger than the sum of its proper divisors (563057).

2815255 is an equidigital number, since it uses as much as digits as its factorization.

2815255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563056.

The product of its digits is 4000, while the sum is 28.

The square root of 2815255 is about 1677.8721643796. The cubic root of 2815255 is about 141.2014791447.

The spelling of 2815255 in words is "two million, eight hundred fifteen thousand, two hundred fifty-five".