685995325 has 12 divisors (see below), whose sum is σ = 864580948. Its totient is φ = 539798400.

The previous prime is 685995307. The next prime is 685995353. The reversal of 685995325 is 523599586.

It can be written as a sum of positive squares in 6 ways, for example, as 64689849 + 621305476 = 8043^2 + 24926^2 .

It is not a de Polignac number, because 685995325 - 2¹¹ = 685993277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 223392 + ... + 226441.

Almost surely, 2^685995325 is an apocalyptic number.

It is an amenable number.

685995325 is a deficient number, since it is larger than the sum of its proper divisors (178585623).

685995325 is a wasteful number, since it uses less digits than its factorization.

685995325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449904 (or 449899 counting only the distinct ones).

The product of its digits is 2916000, while the sum is 52.

The square root of 685995325 is about 26191.5124611008. The cubic root of 685995325 is about 881.9427314760.

The spelling of 685995325 in words is "six hundred eighty-five million, nine hundred ninety-five thousand, three hundred twenty-five".