680312825 has 12 divisors (see below), whose sum is σ = 870801408. Its totient is φ = 526693200.

The previous prime is 680312813. The next prime is 680312839. The reversal of 680312825 is 528213086.

It is not a de Polignac number, because 680312825 - 2²⁶ = 613203961 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 438137 + ... + 439686.

It is an arithmetic number, because the mean of its divisors is an integer number (72566784).

Almost surely, 2^680312825 is an apocalyptic number.

It is an amenable number.

680312825 is a deficient number, since it is larger than the sum of its proper divisors (190488583).

680312825 is a wasteful number, since it uses less digits than its factorization.

680312825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 877864 (or 877859 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 680312825 is about 26082.8070766933. The cubic root of 680312825 is about 879.5007606452.

The spelling of 680312825 in words is "six hundred eighty million, three hundred twelve thousand, eight hundred twenty-five".