1608113 has 4 divisors (see below), whose sum is σ = 1731828. Its totient is φ = 1484400.

The previous prime is 1608109. The next prime is 1608127. The reversal of 1608113 is 3118061.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3118061 = 83 ⋅37567.

It can be written as a sum of positive squares in 2 ways, for example, as 222784 + 1385329 = 472^2 + 1177^2 .

It is a cyclic number.

It is not a de Polignac number, because 1608113 - 2² = 1608109 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1608133) 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, 61838 + ... + 61863.

It is an arithmetic number, because the mean of its divisors is an integer number (432957).

2^1608113 is an apocalyptic number.

1608113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1608113 is a deficient number, since it is larger than the sum of its proper divisors (123715).

1608113 is a wasteful number, since it uses less digits than its factorization.

1608113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123714.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 1608113 is about 1268.1139538701. The cubic root of 1608113 is about 117.1580642987.

The spelling of 1608113 in words is "one million, six hundred eight thousand, one hundred thirteen".