2825855 has 4 divisors (see below), whose sum is σ = 3391032. Its totient is φ = 2260680.

The previous prime is 2825833. The next prime is 2825857. The reversal of 2825855 is 5585282.

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

It is not a de Polignac number, because 2825855 - 2¹² = 2821759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2825857) 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, 282581 + ... + 282590.

It is an arithmetic number, because the mean of its divisors is an integer number (847758).

2^2825855 is an apocalyptic number.

2825855 is a deficient number, since it is larger than the sum of its proper divisors (565177).

2825855 is an equidigital number, since it uses as much as digits as its factorization.

2825855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565176.

The product of its digits is 32000, while the sum is 35.

The square root of 2825855 is about 1681.0279593154. The cubic root of 2825855 is about 141.3784744903.

The spelling of 2825855 in words is "two million, eight hundred twenty-five thousand, eight hundred fifty-five".