6900625 has 20 divisors (see below), whose sum is σ = 8812804. Its totient is φ = 5400000.

The previous prime is 6900613. The next prime is 6900643. The reversal of 6900625 is 5260096.

It can be written as a sum of positive squares in 10 ways, for example, as 6765201 + 135424 = 2601^2 + 368^2 .

It is not a de Polignac number, because 6900625 - 2⁷ = 6900497 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6900593 and 6900602.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 38035 + ... + 38215.

Almost surely, 2^6900625 is an apocalyptic number.

It is an amenable number.

6900625 is a deficient number, since it is larger than the sum of its proper divisors (1912179).

6900625 is an equidigital number, since it uses as much as digits as its factorization.

6900625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262 (or 247 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 6900625 is about 2626.9040713357. The cubic root of 6900625 is about 190.3835741456.

The spelling of 6900625 in words is "six million, nine hundred thousand, six hundred twenty-five".