18360241 has 4 divisors (see below), whose sum is σ = 18481984. Its totient is φ = 18238500.

The previous prime is 18360197. The next prime is 18360253. The reversal of 18360241 is 14206381.

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: 14206381 = 7 ⋅2029483.

It is a cyclic number.

It is not a de Polignac number, because 18360241 - 2⁹ = 18359729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18360341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60645 + ... + 60946.

It is an arithmetic number, because the mean of its divisors is an integer number (4620496).

Almost surely, 2^18360241 is an apocalyptic number.

It is an amenable number.

18360241 is a deficient number, since it is larger than the sum of its proper divisors (121743).

18360241 is a wasteful number, since it uses less digits than its factorization.

18360241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121742.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 18360241 is about 4284.8851793251. The cubic root of 18360241 is about 263.8109346120.

It can be divided in two parts, 1836024 and 1, that added together give a square (1836025 = 1355²).

The spelling of 18360241 in words is "eighteen million, three hundred sixty thousand, two hundred forty-one".