2005225 has 6 divisors (see below), whose sum is σ = 2486510. Its totient is φ = 1604160.

The previous prime is 2005207. The next prime is 2005229. The reversal of 2005225 is 5225002.

It can be written as a sum of positive squares in 3 ways, for example, as 169 + 2005056 = 13^2 + 1416^2 .

It is not a de Polignac number, because 2005225 - 2⁵ = 2005193 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2005199 and 2005208.

It is not an unprimeable number, because it can be changed into a prime (2005229) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40080 + ... + 40129.

2^2005225 is an apocalyptic number.

2005225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2005225 is a deficient number, since it is larger than the sum of its proper divisors (481285).

2005225 is an equidigital number, since it uses as much as digits as its factorization.

2005225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80219 (or 80214 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 16.

The square root of 2005225 is about 1416.0596738838. The cubic root of 2005225 is about 126.1017277065.

The spelling of 2005225 in words is "two million, five thousand, two hundred twenty-five".