6985625 has 10 divisors (see below), whose sum is σ = 8730018. Its totient is φ = 5588000.

The previous prime is 6985609. The next prime is 6985631. The reversal of 6985625 is 5265896.

It can be written as a sum of positive squares in 5 ways, for example, as 1401856 + 5583769 = 1184^2 + 2363^2 .

It is not a de Polignac number, because 6985625 - 2⁴ = 6985609 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 4964 + ... + 6213.

Almost surely, 2^6985625 is an apocalyptic number.

It is an amenable number.

6985625 is a deficient number, since it is larger than the sum of its proper divisors (1744393).

6985625 is an equidigital number, since it uses as much as digits as its factorization.

6985625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11197 (or 11182 counting only the distinct ones).

The product of its digits is 129600, while the sum is 41.

The square root of 6985625 is about 2643.0332952878. The cubic root of 6985625 is about 191.1620838460.

The spelling of 6985625 in words is "six million, nine hundred eighty-five thousand, six hundred twenty-five".