18580041 has 6 divisors (see below), whose sum is σ = 26837850. Its totient is φ = 12386688.

The previous prime is 18580019. The next prime is 18580057. The reversal of 18580041 is 14008581.

It can be written as a sum of positive squares in only one way, i.e., 11799225 + 6780816 = 3435^2 + 2604^2 .

It is not a de Polignac number, because 18580041 - 2¹⁹ = 18055753 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 18579987 and 18580014.

It is not an unprimeable number, because it can be changed into a prime (18580141) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1032216 + ... + 1032233.

It is an arithmetic number, because the mean of its divisors is an integer number (4472975).

Almost surely, 2^18580041 is an apocalyptic number.

It is an amenable number.

18580041 is a deficient number, since it is larger than the sum of its proper divisors (8257809).

18580041 is a wasteful number, since it uses less digits than its factorization.

18580041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2064455 (or 2064452 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 27.

The square root of 18580041 is about 4310.4571683291. The cubic root of 18580041 is about 264.8595006974.

The spelling of 18580041 in words is "eighteen million, five hundred eighty thousand, forty-one".