490118625 has 24 divisors (see below), whose sum is σ = 883522536. Its totient is φ = 261396000.

The previous prime is 490118621. The next prime is 490118627. The reversal of 490118625 is 526811094.

It can be written as a sum of positive squares in 4 ways, for example, as 115928289 + 374190336 = 10767^2 + 19344^2 .

It is not a de Polignac number, because 490118625 - 2² = 490118621 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 490118625.

It is not an unprimeable number, because it can be changed into a prime (490118621) by changing a digit.

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, 216706 + ... + 218955.

It is an arithmetic number, because the mean of its divisors is an integer number (36813439).

Almost surely, 2^490118625 is an apocalyptic number.

490118625 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

490118625 is a deficient number, since it is larger than the sum of its proper divisors (393403911).

490118625 is a wasteful number, since it uses less digits than its factorization.

490118625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435682 (or 435669 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 490118625 is about 22138.6229246536. The cubic root of 490118625 is about 788.4371307748.

The spelling of 490118625 in words is "four hundred ninety million, one hundred eighteen thousand, six hundred twenty-five".