679625 has 8 divisors (see below), whose sum is σ = 848328. Its totient is φ = 543600.

The previous prime is 679607. The next prime is 679633. The reversal of 679625 is 526976.

It can be written as a sum of positive squares in 4 ways, for example, as 21904 + 657721 = 148^2 + 811^2 .

It is not a de Polignac number, because 679625 - 2⁶ = 679561 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 (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2594 + ... + 2843.

It is an arithmetic number, because the mean of its divisors is an integer number (106041).

2⁶⁷⁹⁶²⁵ is an apocalyptic number.

It is an amenable number.

679625 is a deficient number, since it is larger than the sum of its proper divisors (168703).

679625 is an equidigital number, since it uses as much as digits as its factorization.

679625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5452 (or 5442 counting only the distinct ones).

The product of its digits is 22680, while the sum is 35.

The square root of 679625 is about 824.3937166185. The cubic root of 679625 is about 87.9204256558.

The spelling of 679625 in words is "six hundred seventy-nine thousand, six hundred twenty-five".