2061311 has 8 divisors (see below), whose sum is σ = 2364960. Its totient is φ = 1759968.

The previous prime is 2061289. The next prime is 2061313. The reversal of 2061311 is 1131602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2061311 - 2⁶ = 2061247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2061313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2345 + ... + 3101.

It is an arithmetic number, because the mean of its divisors is an integer number (295620).

2^2061311 is an apocalyptic number.

2061311 is a deficient number, since it is larger than the sum of its proper divisors (303649).

2061311 is an equidigital number, since it uses as much as digits as its factorization.

2061311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1153.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 2061311 is about 1435.7266452915. The cubic root of 2061311 is about 127.2666190791.

Adding to 2061311 its reverse (1131602), we get a palindrome (3192913).

The spelling of 2061311 in words is "two million, sixty-one thousand, three hundred eleven".