6920625 has 20 divisors (see below), whose sum is σ = 11533808. Its totient is φ = 3690000.

The previous prime is 6920597. The next prime is 6920629. The reversal of 6920625 is 5260296.

It is not a de Polignac number, because 6920625 - 2¹¹ = 6918577 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6920592 and 6920601.

It is not an unprimeable number, because it can be changed into a prime (6920629) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 30 + ... + 3720.

Almost surely, 2^6920625 is an apocalyptic number.

It is an amenable number.

6920625 is a deficient number, since it is larger than the sum of its proper divisors (4613183).

6920625 is an equidigital number, since it uses as much as digits as its factorization.

6920625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3714 (or 3699 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 6920625 is about 2630.7080795862. The cubic root of 6920625 is about 190.5673255603.

The spelling of 6920625 in words is "six million, nine hundred twenty thousand, six hundred twenty-five".