490609125 has 24 divisors (see below), whose sum is σ = 884406744. Its totient is φ = 261657600.

The previous prime is 490609111. The next prime is 490609139. The reversal of 490609125 is 521906094.

490609125 is a `hidden beast` number, since 49 + 0 + 609 + 1 + 2 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (490609111) and next prime (490609139).

It can be written as a sum of positive squares in 4 ways, for example, as 75794436 + 414814689 = 8706^2 + 20367^2 .

It is not a de Polignac number, because 490609125 - 2⁶ = 490609061 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 490609125.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 216924 + ... + 219173.

It is an arithmetic number, because the mean of its divisors is an integer number (36850281).

Almost surely, 2^490609125 is an apocalyptic number.

490609125 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

490609125 is a deficient number, since it is larger than the sum of its proper divisors (393797619).

490609125 is a wasteful number, since it uses less digits than its factorization.

490609125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436118 (or 436105 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 490609125 is about 22149.6980792064. The cubic root of 490609125 is about 788.7000599616.

It can be divided in two parts, 49060 and 9125, that added together give a palindrome (58185).

The spelling of 490609125 in words is "four hundred ninety million, six hundred nine thousand, one hundred twenty-five".