601091 has 4 divisors (see below), whose sum is σ = 605952. Its totient is φ = 596232.

The previous prime is 601079. The next prime is 601093. The reversal of 601091 is 190106.

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

It is a cyclic number.

It is not a de Polignac number, because 601091 - 2¹⁴ = 584707 is a prime.

It is a super-2 number, since 2×601091² = 722620780562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (601093) 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 3 ways as a sum of consecutive naturals, for example, 2240 + ... + 2493.

It is an arithmetic number, because the mean of its divisors is an integer number (151488).

2⁶⁰¹⁰⁹¹ is an apocalyptic number.

601091 is a deficient number, since it is larger than the sum of its proper divisors (4861).

601091 is a wasteful number, since it uses less digits than its factorization.

601091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4860.

The product of its (nonzero) digits is 54, while the sum is 17.

The square root of 601091 is about 775.3005868694. The cubic root of 601091 is about 84.3943569672.

Adding to 601091 its reverse (190106), we get a palindrome (791197).

The spelling of 601091 in words is "six hundred one thousand, ninety-one".