680925 has 24 divisors (see below), whose sum is σ = 1287616. Its totient is φ = 311040.

The previous prime is 680917. The next prime is 680929. The reversal of 680925 is 529086.

It is not a de Polignac number, because 680925 - 2³ = 680917 is a prime.

It is a Duffinian number.

It is a zygodrome in base 6.

It is a junction number, because it is equal to n+sod(n) for n = 680892 and 680901.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 680925.

It is not an unprimeable number, because it can be changed into a prime (680929) 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, 124 + ... + 1173.

2⁶⁸⁰⁹²⁵ is an apocalyptic number.

It is an amenable number.

680925 is a deficient number, since it is larger than the sum of its proper divisors (606691).

680925 is a wasteful number, since it uses less digits than its factorization.

680925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1317 (or 1312 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 680925 is about 825.1817981512. The cubic root of 680925 is about 87.9764485873.

The spelling of 680925 in words is "six hundred eighty thousand, nine hundred twenty-five".