5618345 has 4 divisors (see below), whose sum is σ = 6742020. Its totient is φ = 4494672.

The previous prime is 5618323. The next prime is 5618351. The reversal of 5618345 is 5438165.

It is a happy number.

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 3463321 + 2155024 = 1861^2 + 1468^2 .

It is a cyclic number.

It is not a de Polignac number, because 5618345 - 2⁸ = 5618089 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 561830 + ... + 561839.

It is an arithmetic number, because the mean of its divisors is an integer number (1685505).

Almost surely, 2^5618345 is an apocalyptic number.

It is an amenable number.

5618345 is a deficient number, since it is larger than the sum of its proper divisors (1123675).

5618345 is a wasteful number, since it uses less digits than its factorization.

5618345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1123674.

The product of its digits is 14400, while the sum is 32.

The square root of 5618345 is about 2370.3048327167. The cubic root of 5618345 is about 177.7745008800.

The spelling of 5618345 in words is "five million, six hundred eighteen thousand, three hundred forty-five".