5618215 has 8 divisors (see below), whose sum is σ = 6765408. Its totient is φ = 4478880.

The previous prime is 5618209. The next prime is 5618219. The reversal of 5618215 is 5128165.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5618215 - 2⁵ = 5618183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5618219) 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 7 ways as a sum of consecutive naturals, for example, 252 + ... + 3361.

It is an arithmetic number, because the mean of its divisors is an integer number (845676).

Almost surely, 2^5618215 is an apocalyptic number.

5618215 is a deficient number, since it is larger than the sum of its proper divisors (1147193).

5618215 is a wasteful number, since it uses less digits than its factorization.

5618215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3929.

The product of its digits is 2400, while the sum is 28.

The square root of 5618215 is about 2370.2774099248. The cubic root of 5618215 is about 177.7731297251.

The spelling of 5618215 in words is "five million, six hundred eighteen thousand, two hundred fifteen".