425163 has 8 divisors (see below), whose sum is σ = 596800. Its totient is φ = 268488.

The previous prime is 425149. The next prime is 425189. The reversal of 425163 is 361524.

It is a happy number.

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

It is not a de Polignac number, because 425163 - 2⁴ = 425147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3673 + ... + 3786.

It is an arithmetic number, because the mean of its divisors is an integer number (74600).

2⁴²⁵¹⁶³ is an apocalyptic number.

425163 is a deficient number, since it is larger than the sum of its proper divisors (171637).

425163 is a wasteful number, since it uses less digits than its factorization.

425163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7481.

The product of its digits is 720, while the sum is 21.

The square root of 425163 is about 652.0452438290. The cubic root of 425163 is about 75.1943404334.

Adding to 425163 its reverse (361524), we get a palindrome (786687).

The spelling of 425163 in words is "four hundred twenty-five thousand, one hundred sixty-three".