425005 has 8 divisors (see below), whose sum is σ = 582912. Its totient is φ = 291408.

The previous prime is 425003. The next prime is 425027. The reversal of 425005 is 500524.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 425005 - 2¹ = 425003 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 425005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425003) 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 7 ways as a sum of consecutive naturals, for example, 6037 + ... + 6106.

It is an arithmetic number, because the mean of its divisors is an integer number (72864).

2⁴²⁵⁰⁰⁵ is an apocalyptic number.

It is an amenable number.

425005 is a deficient number, since it is larger than the sum of its proper divisors (157907).

425005 is a wasteful number, since it uses less digits than its factorization.

425005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12155.

The product of its (nonzero) digits is 200, while the sum is 16.

The square root of 425005 is about 651.9240753339. The cubic root of 425005 is about 75.1850246512.

Adding to 425005 its reverse (500524), we get a palindrome (925529).

The spelling of 425005 in words is "four hundred twenty-five thousand, five".