601165 has 4 divisors (see below), whose sum is σ = 721404. Its totient is φ = 480928.

The previous prime is 601147. The next prime is 601187. The reversal of 601165 is 561106.

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 157609 + 443556 = 397^2 + 666^2 .

It is a cyclic number.

It is not a de Polignac number, because 601165 - 2⁷ = 601037 is a prime.

It is a super-2 number, since 2×601165² = 722798714450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60112 + ... + 60121.

It is an arithmetic number, because the mean of its divisors is an integer number (180351).

2⁶⁰¹¹⁶⁵ is an apocalyptic number.

It is an amenable number.

601165 is a deficient number, since it is larger than the sum of its proper divisors (120239).

601165 is a wasteful number, since it uses less digits than its factorization.

601165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120238.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 601165 is about 775.3483088264. The cubic root of 601165 is about 84.3978200735.

It can be divided in two parts, 60 and 1165, that added together give a triangular number (1225 = T₄₉).

The spelling of 601165 in words is "six hundred one thousand, one hundred sixty-five".