2645225 has 12 divisors (see below), whose sum is σ = 3578640. Its totient is φ = 1923600.

The previous prime is 2645221. The next prime is 2645233. The reversal of 2645225 is 5225462.

2645225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2645225 - 2² = 2645221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2645194 and 2645203.

It is not an unprimeable number, because it can be changed into a prime (2645221) 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 11 ways as a sum of consecutive naturals, for example, 4535 + ... + 5084.

It is an arithmetic number, because the mean of its divisors is an integer number (298220).

2^2645225 is an apocalyptic number.

2645225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2645225 is a deficient number, since it is larger than the sum of its proper divisors (933415).

2645225 is a wasteful number, since it uses less digits than its factorization.

2645225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9640 (or 9635 counting only the distinct ones).

The product of its digits is 4800, while the sum is 26.

The square root of 2645225 is about 1626.4147687475. The cubic root of 2645225 is about 138.2995837087.

The spelling of 2645225 in words is "two million, six hundred forty-five thousand, two hundred twenty-five".