2825823 has 32 divisors (see below), whose sum is σ = 5064192. Its totient is φ = 1353600.

The previous prime is 2825821. The next prime is 2825827. The reversal of 2825823 is 3285282.

It is not a de Polignac number, because 2825823 - 2¹ = 2825821 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

2825823 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2825821) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2533 + ... + 3473.

It is an arithmetic number, because the mean of its divisors is an integer number (158256).

2^2825823 is an apocalyptic number.

2825823 is a deficient number, since it is larger than the sum of its proper divisors (2238369).

2825823 is a wasteful number, since it uses less digits than its factorization.

2825823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 975.

The product of its digits is 7680, while the sum is 30.

The square root of 2825823 is about 1681.0184413028. The cubic root of 2825823 is about 141.3779408313.

It can be divided in two parts, 282 and 5823, that added together give a triangular number (6105 = T₁₁₀).

The spelling of 2825823 in words is "two million, eight hundred twenty-five thousand, eight hundred twenty-three".