1005425 has 12 divisors (see below), whose sum is σ = 1260336. Its totient is φ = 795600.

The previous prime is 1005413. The next prime is 1005427. The reversal of 1005425 is 5245001.

It is not a de Polignac number, because 1005425 - 2⁴ = 1005409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1005427) 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, 3122 + ... + 3428.

It is an arithmetic number, because the mean of its divisors is an integer number (105028).

2^1005425 is an apocalyptic number.

It is an amenable number.

1005425 is a deficient number, since it is larger than the sum of its proper divisors (254911).

1005425 is a wasteful number, since it uses less digits than its factorization.

1005425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448 (or 443 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 1005425 is about 1002.7088311170. The cubic root of 1005425 is about 100.1805073084.

The spelling of 1005425 in words is "one million, five thousand, four hundred twenty-five".