489425 has 6 divisors (see below), whose sum is σ = 606918. Its totient is φ = 391520.

The previous prime is 489409. The next prime is 489427. The reversal of 489425 is 524984.

It can be written as a sum of positive squares in 3 ways, for example, as 124609 + 364816 = 353^2 + 604^2 .

It is not a de Polignac number, because 489425 - 2⁴ = 489409 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 489391 and 489400.

It is not an unprimeable number, because it can be changed into a prime (489427) 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 5 ways as a sum of consecutive naturals, for example, 9764 + ... + 9813.

It is an arithmetic number, because the mean of its divisors is an integer number (101153).

2⁴⁸⁹⁴²⁵ is an apocalyptic number.

It is an amenable number.

489425 is a deficient number, since it is larger than the sum of its proper divisors (117493).

489425 is a wasteful number, since it uses less digits than its factorization.

489425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19587 (or 19582 counting only the distinct ones).

The product of its digits is 11520, while the sum is 32.

The square root of 489425 is about 699.5891651534. The cubic root of 489425 is about 78.8065018212.

The spelling of 489425 in words is "four hundred eighty-nine thousand, four hundred twenty-five".