2005425 has 24 divisors (see below), whose sum is σ = 3685280. Its totient is φ = 1069200.

The previous prime is 2005417. The next prime is 2005427. The reversal of 2005425 is 5245002.

It is not a de Polignac number, because 2005425 - 2³ = 2005417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2005398 and 2005407.

It is not an unprimeable number, because it can be changed into a prime (2005427) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 811 + ... + 2160.

2^2005425 is an apocalyptic number.

2005425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2005425 is a deficient number, since it is larger than the sum of its proper divisors (1679855).

2005425 is a wasteful number, since it uses less digits than its factorization.

2005425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2990 (or 2979 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 2005425 is about 1416.1302906159. The cubic root of 2005425 is about 126.1059200053.

It can be divided in two parts, 200 and 5425, that added together give a square (5625 = 75²).

The spelling of 2005425 in words is "two million, five thousand, four hundred twenty-five".