2815055 has 4 divisors (see below), whose sum is σ = 3378072. Its totient is φ = 2252040.

The previous prime is 2815049. The next prime is 2815061. The reversal of 2815055 is 5505182.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5505182 = 2 ⋅2752591.

It is an interprime number because it is at equal distance from previous prime (2815049) and next prime (2815061).

It is not a de Polignac number, because 2815055 - 2⁶ = 2814991 is a prime.

It is an Ulam number.

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, 281501 + ... + 281510.

It is an arithmetic number, because the mean of its divisors is an integer number (844518).

2^2815055 is an apocalyptic number.

2815055 is a deficient number, since it is larger than the sum of its proper divisors (563017).

2815055 is an equidigital number, since it uses as much as digits as its factorization.

2815055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563016.

The product of its (nonzero) digits is 2000, while the sum is 26.

The square root of 2815055 is about 1677.8125640250. The cubic root of 2815055 is about 141.1981353428.

It can be divided in two parts, 281 and 5055, that multiplied together give a triangular number (1420455 = T₁₆₈₅).

The spelling of 2815055 in words is "two million, eight hundred fifteen thousand, fifty-five".