489857225 has 48 divisors (see below), whose sum is σ = 717704064. Its totient is φ = 326976000.

The previous prime is 489857219. The next prime is 489857231. The reversal of 489857225 is 522758984.

It is an interprime number because it is at equal distance from previous prime (489857219) and next prime (489857231).

It is not a de Polignac number, because 489857225 - 2⁴ = 489857209 is a prime.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 939965 + ... + 940485.

It is an arithmetic number, because the mean of its divisors is an integer number (14952168).

Almost surely, 2^489857225 is an apocalyptic number.

It is an amenable number.

489857225 is a deficient number, since it is larger than the sum of its proper divisors (227846839).

489857225 is a wasteful number, since it uses less digits than its factorization.

489857225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 818 (or 813 counting only the distinct ones).

The product of its digits is 1612800, while the sum is 50.

The square root of 489857225 is about 22132.7184277034. The cubic root of 489857225 is about 788.2969374241.

The spelling of 489857225 in words is "four hundred eighty-nine million, eight hundred fifty-seven thousand, two hundred twenty-five".