2245825 has 6 divisors (see below), whose sum is σ = 2784854. Its totient is φ = 1796640.

The previous prime is 2245813. The next prime is 2245849. The reversal of 2245825 is 5285422.

It can be written as a sum of positive squares in 3 ways, for example, as 283024 + 1962801 = 532^2 + 1401^2 .

It is not a de Polignac number, because 2245825 - 2¹¹ = 2243777 is a prime.

It is a Duffinian number.

2245825 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2245793 and 2245802.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 44892 + ... + 44941.

2^2245825 is an apocalyptic number.

2245825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2245825 is a deficient number, since it is larger than the sum of its proper divisors (539029).

2245825 is an equidigital number, since it uses as much as digits as its factorization.

2245825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89843 (or 89838 counting only the distinct ones).

The product of its digits is 6400, while the sum is 28.

The square root of 2245825 is about 1498.6076871550. The cubic root of 2245825 is about 130.9559706743.

The spelling of 2245825 in words is "two million, two hundred forty-five thousand, eight hundred twenty-five".