601665 has 8 divisors (see below), whose sum is σ = 962688. Its totient is φ = 320880.

The previous prime is 601651. The next prime is 601669. The reversal of 601665 is 566106.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 601665 - 2¹⁰ = 600641 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (601669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20041 + ... + 20070.

It is an arithmetic number, because the mean of its divisors is an integer number (120336).

2⁶⁰¹⁶⁶⁵ is an apocalyptic number.

It is an amenable number.

601665 is a deficient number, since it is larger than the sum of its proper divisors (361023).

601665 is a wasteful number, since it uses less digits than its factorization.

601665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40119.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 601665 is about 775.6706775430. The cubic root of 601665 is about 84.4212119966.

The spelling of 601665 in words is "six hundred one thousand, six hundred sixty-five".