5618617 has 4 divisors (see below), whose sum is σ = 5626960. Its totient is φ = 5610276.

The previous prime is 5618611. The next prime is 5618633. The reversal of 5618617 is 7168165.

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, and also an emirpimes, since its reverse is a distinct semiprime: 7168165 = 5 ⋅1433633.

It is a cyclic number.

It is not a de Polignac number, because 5618617 - 2¹⁹ = 5094329 is a prime.

It is a super-3 number, since 3×5618617³ (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5618611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3063 + ... + 4540.

It is an arithmetic number, because the mean of its divisors is an integer number (1406740).

Almost surely, 2^5618617 is an apocalyptic number.

It is an amenable number.

5618617 is a deficient number, since it is larger than the sum of its proper divisors (8343).

5618617 is an equidigital number, since it uses as much as digits as its factorization.

5618617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8342.

The product of its digits is 10080, while the sum is 34.

The square root of 5618617 is about 2370.3622086086. The cubic root of 5618617 is about 177.7773696895. Note that the first 3 decimals are identical.

The spelling of 5618617 in words is "five million, six hundred eighteen thousand, six hundred seventeen".