425172 has 24 divisors (see below), whose sum is σ = 1082592. Its totient is φ = 128800.

The previous prime is 425149. The next prime is 425189. The reversal of 425172 is 271524.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 425172.

It is an unprimeable number.

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, 1479 + ... + 1742.

It is an arithmetic number, because the mean of its divisors is an integer number (45108).

2⁴²⁵¹⁷² is an apocalyptic number.

It is an amenable number.

425172 is an abundant number, since it is smaller than the sum of its proper divisors (657420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

425172 is a wasteful number, since it uses less digits than its factorization.

425172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3239 (or 3237 counting only the distinct ones).

The product of its digits is 560, while the sum is 21.

The square root of 425172 is about 652.0521451541. The cubic root of 425172 is about 75.1948710098.

Adding to 425172 its reverse (271524), we get a palindrome (696696).

The spelling of 425172 in words is "four hundred twenty-five thousand, one hundred seventy-two".