859000225 has 24 divisors (see below), whose sum is σ = 1155347928. Its totient is φ = 630988800.

The previous prime is 859000217. The next prime is 859000229. The reversal of 859000225 is 522000958.

It is a happy number.

859000225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 12 ways, for example, as 593994384 + 265005841 = 24372^2 + 16279^2 .

It is not a de Polignac number, because 859000225 - 2³ = 859000217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (859000229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7224 + ... + 42073.

It is an arithmetic number, because the mean of its divisors is an integer number (48139497).

Almost surely, 2^859000225 is an apocalyptic number.

859000225 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

859000225 is a deficient number, since it is larger than the sum of its proper divisors (296347703).

859000225 is a wasteful number, since it uses less digits than its factorization.

859000225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49365 (or 49360 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 859000225 is about 29308.7056179559. The cubic root of 859000225 is about 950.5998888879.

The spelling of 859000225 in words is "eight hundred fifty-nine million, two hundred twenty-five", and thus it is an aban number.