241663 has 2 divisors, whose sum is σ = 241664. Its totient is φ = 241662.

The previous prime is 241651. The next prime is 241667. The reversal of 241663 is 366142.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-241663 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (241667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120831 + 120832.

It is an arithmetic number, because the mean of its divisors is an integer number (120832).

241663 is a Friedman number, since it can be written as 4^6*(62-3)-1, using all its digits and the basic arithmetic operations.

2²⁴¹⁶⁶³ is an apocalyptic number.

241663 is a deficient number, since it is larger than the sum of its proper divisors (1).

241663 is an equidigital number, since it uses as much as digits as its factorization.

241663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 22.

The square root of 241663 is about 491.5923107617. The cubic root of 241663 is about 62.2878567385.

The spelling of 241663 in words is "two hundred forty-one thousand, six hundred sixty-three".