2321061 has 16 divisors (see below), whose sum is σ = 3328128. Its totient is φ = 1433600.

The previous prime is 2321057. The next prime is 2321087. The reversal of 2321061 is 1601232.

2321061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a 7-Lehmer number, since φ(2321061) divides (2321061-1)⁷.

It is a cyclic number.

It is not a de Polignac number, because 2321061 - 2² = 2321057 is a prime.

It is a Curzon number.

2321061 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2321061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2321041) 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 15 ways as a sum of consecutive naturals, for example, 3301 + ... + 3941.

It is an arithmetic number, because the mean of its divisors is an integer number (208008).

2^2321061 is an apocalyptic number.

It is an amenable number.

2321061 is a deficient number, since it is larger than the sum of its proper divisors (1007067).

2321061 is a wasteful number, since it uses less digits than its factorization.

2321061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2321061 is about 1523.5028716744. The cubic root of 2321061 is about 132.4022965499.

Adding to 2321061 its reverse (1601232), we get a palindrome (3922293).

The spelling of 2321061 in words is "two million, three hundred twenty-one thousand, sixty-one".