18030301 has 4 divisors (see below), whose sum is σ = 18043900. Its totient is φ = 18016704.

The previous prime is 18030293. The next prime is 18030323. The reversal of 18030301 is 10303081.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10303081 = 1307 ⋅7883.

It can be written as a sum of positive squares in 2 ways, for example, as 12744900 + 5285401 = 3570^2 + 2299^2 .

It is a cyclic number.

It is not a de Polignac number, because 18030301 - 2³ = 18030293 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 (18030361) 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, 4566 + ... + 7543.

It is an arithmetic number, because the mean of its divisors is an integer number (4510975).

Almost surely, 2^18030301 is an apocalyptic number.

It is an amenable number.

18030301 is a deficient number, since it is larger than the sum of its proper divisors (13599).

18030301 is a wasteful number, since it uses less digits than its factorization.

18030301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13598.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 18030301 is about 4246.2101926306. The cubic root of 18030301 is about 262.2211145444.

Adding to 18030301 its reverse (10303081), we get a palindrome (28333382).

The spelling of 18030301 in words is "eighteen million, thirty thousand, three hundred one".