494395225 has 9 divisors (see below), whose sum is σ = 613187967. Its totient is φ = 395427240.

The previous prime is 494395217. The next prime is 494395229. The reversal of 494395225 is 522593494.

The square root of 494395225 is 22235.

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

It can be written as a sum of positive squares in only one way, i.e., 177982281 + 316412944 = 13341^2 + 17788^2 .

It is not a de Polignac number, because 494395225 - 2³ = 494395217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (494395229) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 108952 + ... + 113398.

Almost surely, 2^494395225 is an apocalyptic number.

494395225 is the 22235-th square number.

494395225 is the 11118-th centered octagonal number.

It is an amenable number.

494395225 is a deficient number, since it is larger than the sum of its proper divisors (118792742).

494395225 is an frugal number, since it uses more digits than its factorization.

494395225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8904 (or 4452 counting only the distinct ones).

The product of its digits is 388800, while the sum is 43.

The cubic root of 494395225 is about 790.7236999164.

The spelling of 494395225 in words is "four hundred ninety-four million, three hundred ninety-five thousand, two hundred twenty-five".