675629 has 2 divisors, whose sum is σ = 675630. Its totient is φ = 675628.

The previous prime is 675617. The next prime is 675643. The reversal of 675629 is 926576.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 624100 + 51529 = 790^2 + 227^2 .

It is a cyclic number.

It is not a de Polignac number, because 675629 - 2¹² = 671533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (675029) by changing a digit.

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 as a sum of consecutive naturals, namely, 337814 + 337815.

It is an arithmetic number, because the mean of its divisors is an integer number (337815).

2⁶⁷⁵⁶²⁹ is an apocalyptic number.

It is an amenable number.

675629 is a deficient number, since it is larger than the sum of its proper divisors (1).

675629 is an equidigital number, since it uses as much as digits as its factorization.

675629 is an odious number, because the sum of its binary digits is odd.

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

The square root of 675629 is about 821.9665443313. The cubic root of 675629 is about 87.7477712007.

The spelling of 675629 in words is "six hundred seventy-five thousand, six hundred twenty-nine".