606109 has 4 divisors (see below), whose sum is σ = 692704. Its totient is φ = 519516.

The previous prime is 606091. The next prime is 606113. The reversal of 606109 is 901606.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 901606 = 2 ⋅450803.

It is a cyclic number.

It is not a de Polignac number, because 606109 - 2⁵ = 606077 is a prime.

It is a Duffinian number.

606109 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 606109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (600109) 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 in 3 ways as a sum of consecutive naturals, for example, 43287 + ... + 43300.

It is an arithmetic number, because the mean of its divisors is an integer number (173176).

2⁶⁰⁶¹⁰⁹ is an apocalyptic number.

It is an amenable number.

606109 is a deficient number, since it is larger than the sum of its proper divisors (86595).

606109 is an equidigital number, since it uses as much as digits as its factorization.

606109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86594.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 606109 is about 778.5300251114. The cubic root of 606109 is about 84.6285521572.

It can be divided in two parts, 60610 and 9, that multiplied together give a triangular number (545490 = T₁₀₄₄).

The spelling of 606109 in words is "six hundred six thousand, one hundred nine".