18603241 has 2 divisors, whose sum is σ = 18603242. Its totient is φ = 18603240.

The previous prime is 18603229. The next prime is 18603257. The reversal of 18603241 is 14230681.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12278016 + 6325225 = 3504^2 + 2515^2 .

It is a cyclic number.

It is not a de Polignac number, because 18603241 - 2¹⁷ = 18472169 is a prime.

It is not a weakly prime, because it can be changed into another prime (18603281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9301620 + 9301621.

It is an arithmetic number, because the mean of its divisors is an integer number (9301621).

Almost surely, 2^18603241 is an apocalyptic number.

It is an amenable number.

18603241 is a deficient number, since it is larger than the sum of its proper divisors (1).

18603241 is an equidigital number, since it uses as much as digits as its factorization.

18603241 is an odious number, because the sum of its binary digits is odd.

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

The square root of 18603241 is about 4313.1474586432. The cubic root of 18603241 is about 264.9696939355.

The spelling of 18603241 in words is "eighteen million, six hundred three thousand, two hundred forty-one".