489958225 has 27 divisors (see below), whose sum is σ = 643971153. Its totient is φ = 369743040.

The previous prime is 489958223. The next prime is 489958267. The reversal of 489958225 is 522859984.

The square root of 489958225 is 22135.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 96491329 + 393466896 = 9823^2 + 19836^2 .

It is not a de Polignac number, because 489958225 - 2¹ = 489958223 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (489958223) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2102709 + ... + 2102941.

Almost surely, 2^489958225 is an apocalyptic number.

489958225 is the 22135-th square number.

489958225 is the 11068-th centered octagonal number.

It is an amenable number.

489958225 is a deficient number, since it is larger than the sum of its proper divisors (154012928).

489958225 is an equidigital number, since it uses as much as digits as its factorization.

489958225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514 (or 257 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 52.

The cubic root of 489958225 is about 788.3511113856.

The spelling of 489958225 in words is "four hundred eighty-nine million, nine hundred fifty-eight thousand, two hundred twenty-five".