680863225 has 24 divisors (see below), whose sum is σ = 970840640. Its totient is φ = 463993920.

The previous prime is 680863217. The next prime is 680863237. The reversal of 680863225 is 522368086.

680863225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 680863225 - 2³ = 680863217 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16591 + ... + 40459.

Almost surely, 2^680863225 is an apocalyptic number.

It is an amenable number.

680863225 is a deficient number, since it is larger than the sum of its proper divisors (289977415).

680863225 is a wasteful number, since it uses less digits than its factorization.

680863225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24049 (or 24044 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 680863225 is about 26093.3559551086. The cubic root of 680863225 is about 879.7378803514.

The spelling of 680863225 in words is "six hundred eighty million, eight hundred sixty-three thousand, two hundred twenty-five".