2043425 has 6 divisors (see below), whose sum is σ = 2533878. Its totient is φ = 1634720.

The previous prime is 2043421. The next prime is 2043449. The reversal of 2043425 is 5243402.

It can be written as a sum of positive squares in 3 ways, for example, as 18496 + 2024929 = 136^2 + 1423^2 .

It is not a de Polignac number, because 2043425 - 2² = 2043421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2043397 and 2043406.

It is not an unprimeable number, because it can be changed into a prime (2043421) 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 5 ways as a sum of consecutive naturals, for example, 40844 + ... + 40893.

It is an arithmetic number, because the mean of its divisors is an integer number (422313).

2^2043425 is an apocalyptic number.

2043425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2043425 is a deficient number, since it is larger than the sum of its proper divisors (490453).

2043425 is an equidigital number, since it uses as much as digits as its factorization.

2043425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81747 (or 81742 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 2043425 is about 1429.4841727001. The cubic root of 2043425 is about 126.8974516796.

Adding to 2043425 its reverse (5243402), we get a palindrome (7286827).

The spelling of 2043425 in words is "two million, forty-three thousand, four hundred twenty-five".