601995 has 16 divisors (see below), whose sum is σ = 979200. Its totient is φ = 315744.

The previous prime is 601981. The next prime is 602029. The reversal of 601995 is 599106.

It is not a de Polignac number, because 601995 - 2¹² = 597899 is a prime.

It is an Ulam number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 706 + ... + 1304.

It is an arithmetic number, because the mean of its divisors is an integer number (61200).

2⁶⁰¹⁹⁹⁵ is an apocalyptic number.

601995 is a deficient number, since it is larger than the sum of its proper divisors (377205).

601995 is a wasteful number, since it uses less digits than its factorization.

601995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674.

The product of its (nonzero) digits is 2430, while the sum is 30.

The square root of 601995 is about 775.8833675238. The cubic root of 601995 is about 84.4366435674.

It can be divided in two parts, 601 and 995, that added together give a triangular number (1596 = T₅₆).

The spelling of 601995 in words is "six hundred one thousand, nine hundred ninety-five".