18359041 has 4 divisors (see below), whose sum is σ = 18705492. Its totient is φ = 18012592.

The previous prime is 18359039. The next prime is 18359053. The reversal of 18359041 is 14095381.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14095381 = 283 ⋅49807.

It can be written as a sum of positive squares in 2 ways, for example, as 15046641 + 3312400 = 3879^2 + 1820^2 .

It is a cyclic number.

It is not a de Polignac number, because 18359041 - 2¹ = 18359039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18358994 and 18359012.

It is not an unprimeable number, because it can be changed into a prime (18359941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173146 + ... + 173251.

It is an arithmetic number, because the mean of its divisors is an integer number (4676373).

Almost surely, 2^18359041 is an apocalyptic number.

It is an amenable number.

18359041 is a deficient number, since it is larger than the sum of its proper divisors (346451).

18359041 is an equidigital number, since it uses as much as digits as its factorization.

18359041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346450.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 18359041 is about 4284.7451499477. The cubic root of 18359041 is about 263.8051870473.

The spelling of 18359041 in words is "eighteen million, three hundred fifty-nine thousand, forty-one".