2340545 has 4 divisors (see below), whose sum is σ = 2808660. Its totient is φ = 1872432.

The previous prime is 2340521. The next prime is 2340551. The reversal of 2340545 is 5450432.

2340545 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 919681 + 1420864 = 959^2 + 1192^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2340545 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2340545.

It is an unprimeable number.

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, 234050 + ... + 234059.

It is an arithmetic number, because the mean of its divisors is an integer number (702165).

2^2340545 is an apocalyptic number.

It is an amenable number.

2340545 is a deficient number, since it is larger than the sum of its proper divisors (468115).

2340545 is an equidigital number, since it uses as much as digits as its factorization.

2340545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468114.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 2340545 is about 1529.8839825294. The cubic root of 2340545 is about 132.7717456039.

Adding to 2340545 its reverse (5450432), we get a palindrome (7790977).

The spelling of 2340545 in words is "two million, three hundred forty thousand, five hundred forty-five".