685303025 has 12 divisors (see below), whose sum is σ = 927028464. Its totient is φ = 498402000.

The previous prime is 685303013. The next prime is 685303063. The reversal of 685303025 is 520303586.

685303025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-685303025 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 685302982 and 685303000.

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, 1245731 + ... + 1246280.

It is an arithmetic number, because the mean of its divisors is an integer number (77252372).

Almost surely, 2^685303025 is an apocalyptic number.

It is an amenable number.

685303025 is a deficient number, since it is larger than the sum of its proper divisors (241725439).

685303025 is a wasteful number, since it uses less digits than its factorization.

685303025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2492032 (or 2492027 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 685303025 is about 26178.2930115774. The cubic root of 685303025 is about 881.6459488598.

The spelling of 685303025 in words is "six hundred eighty-five million, three hundred three thousand, twenty-five".