5618913 has 4 divisors (see below), whose sum is σ = 7491888. Its totient is φ = 3745940.

The previous prime is 5618911. The next prime is 5618929. The reversal of 5618913 is 3198165.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5618913 - 2¹ = 5618911 is a prime.

It is a D-number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5618911) by changing a digit.

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, 936483 + ... + 936488.

It is an arithmetic number, because the mean of its divisors is an integer number (1872972).

Almost surely, 2^5618913 is an apocalyptic number.

It is an amenable number.

5618913 is a deficient number, since it is larger than the sum of its proper divisors (1872975).

5618913 is a wasteful number, since it uses less digits than its factorization.

5618913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1872974.

The product of its digits is 6480, while the sum is 33.

The square root of 5618913 is about 2370.4246455013. The cubic root of 5618913 is about 177.7804915240.

The spelling of 5618913 in words is "five million, six hundred eighteen thousand, nine hundred thirteen".