2443825 has 12 divisors (see below), whose sum is σ = 3077680. Its totient is φ = 1924560.

The previous prime is 2443817. The next prime is 2443829. The reversal of 2443825 is 5283442.

It is not a de Polignac number, because 2443825 - 2³ = 2443817 is a prime.

It is an Ulam number.

Its product of digits (7680) is a multiple of the sum of its prime factors (1536).

It is a junction number, because it is equal to n+sod(n) for n = 2443793 and 2443802.

It is not an unprimeable number, because it can be changed into a prime (2443829) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 946 + ... + 2404.

2^2443825 is an apocalyptic number.

2443825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2443825 is a deficient number, since it is larger than the sum of its proper divisors (633855).

2443825 is a wasteful number, since it uses less digits than its factorization.

2443825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1536 (or 1531 counting only the distinct ones).

The product of its digits is 7680, while the sum is 28.

The square root of 2443825 is about 1563.2738083906. The cubic root of 2443825 is about 134.6966209821.

The spelling of 2443825 in words is "two million, four hundred forty-three thousand, eight hundred twenty-five".