2006425 has 12 divisors (see below), whose sum is σ = 2634876. Its totient is φ = 1510400.

The previous prime is 2006393. The next prime is 2006429. The reversal of 2006425 is 5246002.

It can be written as a sum of positive squares in 6 ways, for example, as 1369 + 2005056 = 37^2 + 1416^2 .

It is not a de Polignac number, because 2006425 - 2⁵ = 2006393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2006429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1936 + ... + 2785.

It is an arithmetic number, because the mean of its divisors is an integer number (219573).

2^2006425 is an apocalyptic number.

2006425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2006425 is a deficient number, since it is larger than the sum of its proper divisors (628451).

2006425 is a wasteful number, since it uses less digits than its factorization.

2006425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4748 (or 4743 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 2006425 is about 1416.4833214691. The cubic root of 2006425 is about 126.1268773194.

The spelling of 2006425 in words is "two million, six thousand, four hundred twenty-five".