241666501 has 2 divisors, whose sum is σ = 241666502. Its totient is φ = 241666500.

The previous prime is 241666487. The next prime is 241666507. The reversal of 241666501 is 105666142.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 237468100 + 4198401 = 15410^2 + 2049^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-241666501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (241666507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120833250 + 120833251.

It is an arithmetic number, because the mean of its divisors is an integer number (120833251).

Almost surely, 2^241666501 is an apocalyptic number.

It is an amenable number.

241666501 is a deficient number, since it is larger than the sum of its proper divisors (1).

241666501 is an equidigital number, since it uses as much as digits as its factorization.

241666501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 241666501 is about 15545.6264267478. The cubic root of 241666501 is about 622.8815752753.

The spelling of 241666501 in words is "two hundred forty-one million, six hundred sixty-six thousand, five hundred one".