601709 has 4 divisors (see below), whose sum is σ = 613116. Its totient is φ = 590304.

The previous prime is 601697. The next prime is 601717. The reversal of 601709 is 907106.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 907106 = 2 ⋅453553.

It can be written as a sum of positive squares in 2 ways, for example, as 299209 + 302500 = 547^2 + 550^2 .

It is a cyclic number.

It is not a de Polignac number, because 601709 - 2¹² = 597613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (601759) 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 in 3 ways as a sum of consecutive naturals, for example, 5624 + ... + 5729.

It is an arithmetic number, because the mean of its divisors is an integer number (153279).

2⁶⁰¹⁷⁰⁹ is an apocalyptic number.

It is an amenable number.

601709 is a deficient number, since it is larger than the sum of its proper divisors (11407).

601709 is a wasteful number, since it uses less digits than its factorization.

601709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11406.

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 601709 is about 775.6990395766. The cubic root of 601709 is about 84.4232698653.

The spelling of 601709 in words is "six hundred one thousand, seven hundred nine".