5618109 has 16 divisors (see below), whose sum is σ = 9065088. Its totient is φ = 3021312.

The previous prime is 5618089. The next prime is 5618111. The reversal of 5618109 is 9018165.

It is a happy number.

It is not a de Polignac number, because 5618109 - 2⁵ = 5618077 is a prime.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5618149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7512 + ... + 8225.

It is an arithmetic number, because the mean of its divisors is an integer number (566568).

Almost surely, 2^5618109 is an apocalyptic number.

It is an amenable number.

5618109 is a deficient number, since it is larger than the sum of its proper divisors (3446979).

5618109 is a wasteful number, since it uses less digits than its factorization.

5618109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15764.

The product of its (nonzero) digits is 2160, while the sum is 30.

The square root of 5618109 is about 2370.2550495675. The cubic root of 5618109 is about 177.7720116909.

The spelling of 5618109 in words is "five million, six hundred eighteen thousand, one hundred nine".