601311 has 4 divisors (see below), whose sum is σ = 801752. Its totient is φ = 400872.

The previous prime is 601309. The next prime is 601313. The reversal of 601311 is 113106.

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

It is an interprime number because it is at equal distance from previous prime (601309) and next prime (601313).

It is not a de Polignac number, because 601311 - 2¹ = 601309 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (601313) 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, 100216 + ... + 100221.

It is an arithmetic number, because the mean of its divisors is an integer number (200438).

2⁶⁰¹³¹¹ is an apocalyptic number.

601311 is a deficient number, since it is larger than the sum of its proper divisors (200441).

601311 is a wasteful number, since it uses less digits than its factorization.

601311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200440.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 601311 is about 775.4424543446. The cubic root of 601311 is about 84.4046518553.

Adding to 601311 its reverse (113106), we get a palindrome (714417).

The spelling of 601311 in words is "six hundred one thousand, three hundred eleven".