2331065 has 12 divisors (see below), whose sum is σ = 3075492. Its totient is φ = 1694880.

The previous prime is 2331061. The next prime is 2331089. The reversal of 2331065 is 5601332.

2331065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1771561 + 559504 = 1331^2 + 748^2 .

It is not a de Polignac number, because 2331065 - 2² = 2331061 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2331061) 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 11 ways as a sum of consecutive naturals, for example, 1322 + ... + 2531.

It is an arithmetic number, because the mean of its divisors is an integer number (256291).

2^2331065 is an apocalyptic number.

It is an amenable number.

2331065 is a deficient number, since it is larger than the sum of its proper divisors (744427).

2331065 is a wasteful number, since it uses less digits than its factorization.

2331065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3880 (or 3869 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 2331065 is about 1526.7825647419. The cubic root of 2331065 is about 132.5922461943.

Adding to 2331065 its reverse (5601332), we get a palindrome (7932397).

The spelling of 2331065 in words is "two million, three hundred thirty-one thousand, sixty-five".