2343545 has 4 divisors (see below), whose sum is σ = 2812260. Its totient is φ = 1874832.

The previous prime is 2343541. The next prime is 2343547. The reversal of 2343545 is 5453432.

2343545 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 1590121 + 753424 = 1261^2 + 868^2 .

It is a cyclic number.

It is not a de Polignac number, because 2343545 - 2² = 2343541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2343541) 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, 234350 + ... + 234359.

It is an arithmetic number, because the mean of its divisors is an integer number (703065).

2^2343545 is an apocalyptic number.

It is an amenable number.

2343545 is a deficient number, since it is larger than the sum of its proper divisors (468715).

2343545 is an equidigital number, since it uses as much as digits as its factorization.

2343545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468714.

The product of its digits is 7200, while the sum is 26.

The square root of 2343545 is about 1530.8641350558. The cubic root of 2343545 is about 132.8284482348.

Adding to 2343545 its reverse (5453432), we get a palindrome (7796977).

The spelling of 2343545 in words is "two million, three hundred forty-three thousand, five hundred forty-five".