2149361 has 4 divisors (see below), whose sum is σ = 2275812. Its totient is φ = 2022912.

The previous prime is 2149351. The next prime is 2149379. The reversal of 2149361 is 1639412.

2149361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1739761 + 409600 = 1319^2 + 640^2 .

It is a cyclic number.

It is not a de Polignac number, because 2149361 - 2¹⁰ = 2148337 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2149361.

It is not an unprimeable number, because it can be changed into a prime (2149331) 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, 63200 + ... + 63233.

It is an arithmetic number, because the mean of its divisors is an integer number (568953).

2^2149361 is an apocalyptic number.

It is an amenable number.

2149361 is a deficient number, since it is larger than the sum of its proper divisors (126451).

2149361 is a wasteful number, since it uses less digits than its factorization.

2149361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126450.

The product of its digits is 1296, while the sum is 26.

The square root of 2149361 is about 1466.0699164774. The cubic root of 2149361 is about 129.0535002333.

The spelling of 2149361 in words is "two million, one hundred forty-nine thousand, three hundred sixty-one".