490168225 has 12 divisors (see below), whose sum is σ = 643562604. Its totient is φ = 369067520.

The previous prime is 490168201. The next prime is 490168241. The reversal of 490168225 is 522861094.

It can be written as a sum of positive squares in 6 ways, for example, as 47444544 + 442723681 = 6888^2 + 21041^2 .

It is not a de Polignac number, because 490168225 - 2¹⁹ = 489643937 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 576244 + ... + 577093.

It is an arithmetic number, because the mean of its divisors is an integer number (53630217).

Almost surely, 2^490168225 is an apocalyptic number.

It is an amenable number.

490168225 is a deficient number, since it is larger than the sum of its proper divisors (153394379).

490168225 is a wasteful number, since it uses less digits than its factorization.

490168225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1153364 (or 1153359 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 490168225 is about 22139.7431105241. The cubic root of 490168225 is about 788.4637264876.

The spelling of 490168225 in words is "four hundred ninety million, one hundred sixty-eight thousand, two hundred twenty-five".