2825545 has 4 divisors (see below), whose sum is σ = 3390660. Its totient is φ = 2260432.

The previous prime is 2825521. The next prime is 2825551. The reversal of 2825545 is 5455282.

2825545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1375929 + 1449616 = 1173^2 + 1204^2 .

It is a cyclic number.

It is not a de Polignac number, because 2825545 - 2⁹ = 2825033 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 282550 + ... + 282559.

It is an arithmetic number, because the mean of its divisors is an integer number (847665).

2^2825545 is an apocalyptic number.

It is an amenable number.

2825545 is a deficient number, since it is larger than the sum of its proper divisors (565115).

2825545 is an equidigital number, since it uses as much as digits as its factorization.

2825545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565114.

The product of its digits is 16000, while the sum is 31.

The square root of 2825545 is about 1680.9357513004. The cubic root of 2825545 is about 141.3733044998.

The spelling of 2825545 in words is "two million, eight hundred twenty-five thousand, five hundred forty-five".