601601 has 16 divisors (see below), whose sum is σ = 809088. Its totient is φ = 432000.

The previous prime is 601591. The next prime is 601607. The reversal of 601601 is 106106.

It is a cyclic number.

It is not a de Polignac number, because 601601 - 2¹⁰ = 600577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (601607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 701 + ... + 1301.

It is an arithmetic number, because the mean of its divisors is an integer number (50568).

2⁶⁰¹⁶⁰¹ is an apocalyptic number.

It is an amenable number.

601601 is a deficient number, since it is larger than the sum of its proper divisors (207487).

601601 is a wasteful number, since it uses less digits than its factorization.

601601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 601601 is about 775.6294218246. The cubic root of 601601 is about 84.4182185538.

Adding to 601601 its reverse (106106), we get a palindrome (707707).

It can be divided in two parts, 60 and 1601, that added together give a palindrome (1661).

The spelling of 601601 in words is "six hundred one thousand, six hundred one".