2825825 has 24 divisors (see below), whose sum is σ = 3805560. Its totient is φ = 2073600.

The previous prime is 2825821. The next prime is 2825827. The reversal of 2825825 is 5285282.

It is a happy number.

2825825 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 12 ways, for example, as 868624 + 1957201 = 932^2 + 1399^2 .

It is not a de Polignac number, because 2825825 - 2² = 2825821 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2825791 and 2825800.

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

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25871 + ... + 25979.

It is an arithmetic number, because the mean of its divisors is an integer number (158565).

2^2825825 is an apocalyptic number.

2825825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2825825 is a deficient number, since it is larger than the sum of its proper divisors (979735).

2825825 is a wasteful number, since it uses less digits than its factorization.

2825825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197 (or 192 counting only the distinct ones).

The product of its digits is 12800, while the sum is 32.

The square root of 2825825 is about 1681.0190361801. The cubic root of 2825825 is about 141.3779741851.

The spelling of 2825825 in words is "two million, eight hundred twenty-five thousand, eight hundred twenty-five".