18545341 has 4 divisors (see below), whose sum is σ = 18976672. Its totient is φ = 18114012.

The previous prime is 18545339. The next prime is 18545363. The reversal of 18545341 is 14354581.

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.

It is a cyclic number.

It is not a de Polignac number, because 18545341 - 2¹ = 18545339 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 (18545321) 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, 215601 + ... + 215686.

It is an arithmetic number, because the mean of its divisors is an integer number (4744168).

Almost surely, 2^18545341 is an apocalyptic number.

It is an amenable number.

18545341 is a deficient number, since it is larger than the sum of its proper divisors (431331).

18545341 is an equidigital number, since it uses as much as digits as its factorization.

18545341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431330.

The product of its digits is 9600, while the sum is 31.

The square root of 18545341 is about 4306.4301921661. The cubic root of 18545341 is about 264.6945144796.

The spelling of 18545341 in words is "eighteen million, five hundred forty-five thousand, three hundred forty-one".