601985 has 4 divisors (see below), whose sum is σ = 722388. Its totient is φ = 481584.

The previous prime is 601981. The next prime is 602029. The reversal of 601985 is 589106.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 364816 + 237169 = 604^2 + 487^2 .

It is a cyclic number.

It is not a de Polignac number, because 601985 - 2² = 601981 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 601985.

It is not an unprimeable number, because it can be changed into a prime (601981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60194 + ... + 60203.

It is an arithmetic number, because the mean of its divisors is an integer number (180597).

2⁶⁰¹⁹⁸⁵ is an apocalyptic number.

It is an amenable number.

601985 is a deficient number, since it is larger than the sum of its proper divisors (120403).

601985 is a wasteful number, since it uses less digits than its factorization.

601985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120402.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 601985 is about 775.8769232295. The cubic root of 601985 is about 84.4361760269.

The spelling of 601985 in words is "six hundred one thousand, nine hundred eighty-five".