18585041 has 2 divisors, whose sum is σ = 18585042. Its totient is φ = 18585040.

The previous prime is 18585037. The next prime is 18585067. The reversal of 18585041 is 14058581.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15054400 + 3530641 = 3880^2 + 1879^2 .

It is a cyclic number.

It is not a de Polignac number, because 18585041 - 2² = 18585037 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 18584989 and 18585007.

It is not a weakly prime, because it can be changed into another prime (18585241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9292520 + 9292521.

It is an arithmetic number, because the mean of its divisors is an integer number (9292521).

Almost surely, 2^18585041 is an apocalyptic number.

It is an amenable number.

18585041 is a deficient number, since it is larger than the sum of its proper divisors (1).

18585041 is an equidigital number, since it uses as much as digits as its factorization.

18585041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6400, while the sum is 32.

The square root of 18585041 is about 4311.0371141989. The cubic root of 18585041 is about 264.8832569911.

The spelling of 18585041 in words is "eighteen million, five hundred eighty-five thousand, forty-one".