9017858225 has 12 divisors (see below), whose sum is σ = 11292861660. Its totient is φ = 7142856000.

The previous prime is 9017858209. The next prime is 9017858231. The reversal of 9017858225 is 5228587109.

It can be written as a sum of positive squares in 6 ways, for example, as 1360208161 + 7657650064 = 36881^2 + 87508^2 .

It is not a de Polignac number, because 9017858225 - 2⁴ = 9017858209 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 9017858225.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 1783190 + ... + 1788239.

It is an arithmetic number, because the mean of its divisors is an integer number (941071805).

Almost surely, 2^9017858225 is an apocalyptic number.

It is an amenable number.

9017858225 is a deficient number, since it is larger than the sum of its proper divisors (2275003435).

9017858225 is a wasteful number, since it uses less digits than its factorization.

9017858225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3571540 (or 3571535 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 47.

The square root of 9017858225 is about 94962.4042713747. The cubic root of 9017858225 is about 2081.4587142604.

The spelling of 9017858225 in words is "nine billion, seventeen million, eight hundred fifty-eight thousand, two hundred twenty-five".