241066621 has 2 divisors, whose sum is σ = 241066622. Its totient is φ = 241066620.

The previous prime is 241066607. The next prime is 241066669. The reversal of 241066621 is 126660142.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 223173721 + 17892900 = 14939^2 + 4230^2 .

It is a cyclic number.

It is not a de Polignac number, because 241066621 - 2⁹ = 241066109 is a prime.

It is a super-2 number, since 2×241066621² = 116226231520715282, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 241066621.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (241066601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120533310 + 120533311.

It is an arithmetic number, because the mean of its divisors is an integer number (120533311).

Almost surely, 2^241066621 is an apocalyptic number.

It is an amenable number.

241066621 is a deficient number, since it is larger than the sum of its proper divisors (1).

241066621 is an equidigital number, since it uses as much as digits as its factorization.

241066621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 241066621 is about 15526.3202659226. The cubic root of 241066621 is about 622.3657627894.

The spelling of 241066621 in words is "two hundred forty-one million, sixty-six thousand, six hundred twenty-one".