18514033 has 4 divisors (see below), whose sum is σ = 18677988. Its totient is φ = 18350080.

The previous prime is 18514009. The next prime is 18514039. The reversal of 18514033 is 33041581.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9345249 + 9168784 = 3057^2 + 3028^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18514033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18513989 and 18514007.

It is not an unprimeable number, because it can be changed into a prime (18514039) 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, 81808 + ... + 82033.

It is an arithmetic number, because the mean of its divisors is an integer number (4669497).

Almost surely, 2^18514033 is an apocalyptic number.

It is an amenable number.

18514033 is a deficient number, since it is larger than the sum of its proper divisors (163955).

18514033 is a wasteful number, since it uses less digits than its factorization.

18514033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163954.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 18514033 is about 4302.7936274007. The cubic root of 18514033 is about 264.5454793194.

The spelling of 18514033 in words is "eighteen million, five hundred fourteen thousand, thirty-three".