241603 has 2 divisors, whose sum is σ = 241604. Its totient is φ = 241602.

The previous prime is 241601. The next prime is 241639. The reversal of 241603 is 306142.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 241603 - 2¹ = 241601 is a prime.

Together with 241601, it forms a pair of twin primes.

It is equal to p₂₁₃₅₅ and since 241603 and 21355 have the same sum of digits, it is a Honaker prime.

It is a plaindrome in base 11.

It is not a weakly prime, because it can be changed into another prime (241601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120801 + 120802.

It is an arithmetic number, because the mean of its divisors is an integer number (120802).

2²⁴¹⁶⁰³ is an apocalyptic number.

241603 is a deficient number, since it is larger than the sum of its proper divisors (1).

241603 is an equidigital number, since it uses as much as digits as its factorization.

241603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 241603 is about 491.5312807950. The cubic root of 241603 is about 62.2827013765.

Adding to 241603 its reverse (306142), we get a palindrome (547745).

The spelling of 241603 in words is "two hundred forty-one thousand, six hundred three".