601331 has 4 divisors (see below), whose sum is σ = 633000. Its totient is φ = 569664.

The previous prime is 601319. The next prime is 601333. The reversal of 601331 is 133106.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 133106 = 2 ⋅66553.

It is a cyclic number.

It is not a de Polignac number, because 601331 - 2⁶ = 601267 is a prime.

It is a super-2 number, since 2×601331² = 723197943122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (601333) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 15806 + ... + 15843.

It is an arithmetic number, because the mean of its divisors is an integer number (158250).

2⁶⁰¹³³¹ is an apocalyptic number.

601331 is a deficient number, since it is larger than the sum of its proper divisors (31669).

601331 is a wasteful number, since it uses less digits than its factorization.

601331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31668.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 601331 is about 775.4553501008. The cubic root of 601331 is about 84.4055876297.

Adding to 601331 its reverse (133106), we get a palindrome (734437).

The spelling of 601331 in words is "six hundred one thousand, three hundred thirty-one".