18054065 has 8 divisors (see below), whose sum is σ = 21776040. Its totient is φ = 14369152.

The previous prime is 18054031. The next prime is 18054067. The reversal of 18054065 is 56045081.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6466849 + 11587216 = 2543^2 + 3404^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 18054065 - 2²⁰ = 17005489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18054067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8180 + ... + 10149.

It is an arithmetic number, because the mean of its divisors is an integer number (2722005).

Almost surely, 2^18054065 is an apocalyptic number.

It is an amenable number.

18054065 is a deficient number, since it is larger than the sum of its proper divisors (3721975).

18054065 is a wasteful number, since it uses less digits than its factorization.

18054065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18531.

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 18054065 is about 4249.0075311771. The cubic root of 18054065 is about 262.3362667520.

It can be divided in two parts, 180 and 54065, that added together give a palindrome (54245).

The spelling of 18054065 in words is "eighteen million, fifty-four thousand, sixty-five".