605629 has 2 divisors, whose sum is σ = 605630. Its totient is φ = 605628.

The previous prime is 605617. The next prime is 605639. The reversal of 605629 is 926506.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 597529 + 8100 = 773^2 + 90^2 .

It is a cyclic number.

It is not a de Polignac number, because 605629 - 2⁵ = 605597 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 605597 and 605606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (605609) by changing a digit.

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 as a sum of consecutive naturals, namely, 302814 + 302815.

It is an arithmetic number, because the mean of its divisors is an integer number (302815).

2⁶⁰⁵⁶²⁹ is an apocalyptic number.

It is an amenable number.

605629 is a deficient number, since it is larger than the sum of its proper divisors (1).

605629 is an equidigital number, since it uses as much as digits as its factorization.

605629 is an odious number, because the sum of its binary digits is odd.

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

The square root of 605629 is about 778.2216907797. The cubic root of 605629 is about 84.6062061034.

The spelling of 605629 in words is "six hundred five thousand, six hundred twenty-nine".