2805275 has 18 divisors (see below), whose sum is σ = 3832716. Its totient is φ = 2020000.

The previous prime is 2805263. The next prime is 2805311. The reversal of 2805275 is 5725082.

It is not a de Polignac number, because 2805275 - 2⁴ = 2805259 is a prime.

It is a d-powerful number, because it can be written as 2¹⁶ + 8⁷ + 0 + 5² + 2¹⁹ + 7⁶ + 5⁴ .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 27725 + ... + 27825.

2^2805275 is an apocalyptic number.

2805275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2805275 is a deficient number, since it is larger than the sum of its proper divisors (1027441).

2805275 is a wasteful number, since it uses less digits than its factorization.

2805275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223 (or 117 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 29.

The square root of 2805275 is about 1674.8955191295. The cubic root of 2805275 is about 141.0344298330.

It can be divided in two parts, 280 and 5275, that added together give a palindrome (5555).

The spelling of 2805275 in words is "two million, eight hundred five thousand, two hundred seventy-five".