490225 has 6 divisors (see below), whose sum is σ = 607910. Its totient is φ = 392160.

The previous prime is 490223. The next prime is 490241. The reversal of 490225 is 522094.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 166464 + 323761 = 408^2 + 569^2 .

It is not a de Polignac number, because 490225 - 2¹ = 490223 is a prime.

It is a nialpdrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 490196 and 490205.

It is not an unprimeable number, because it can be changed into a prime (490223) 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, 9780 + ... + 9829.

2⁴⁹⁰²²⁵ is an apocalyptic number.

It is an amenable number.

490225 is a deficient number, since it is larger than the sum of its proper divisors (117685).

490225 is a wasteful number, since it uses less digits than its factorization.

490225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19619 (or 19614 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 490225 is about 700.1606958406. The cubic root of 490225 is about 78.8494167261.

The spelling of 490225 in words is "four hundred ninety thousand, two hundred twenty-five".