241418521 has 2 divisors, whose sum is σ = 241418522. Its totient is φ = 241418520.

The previous prime is 241418497. The next prime is 241418563. The reversal of 241418521 is 125814142.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 144120025 + 97298496 = 12005^2 + 9864^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-241418521 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 241418521.

It is not a weakly prime, because it can be changed into another prime (241416521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120709260 + 120709261.

It is an arithmetic number, because the mean of its divisors is an integer number (120709261).

Almost surely, 2^241418521 is an apocalyptic number.

It is an amenable number.

241418521 is a deficient number, since it is larger than the sum of its proper divisors (1).

241418521 is an equidigital number, since it uses as much as digits as its factorization.

241418521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2560, while the sum is 28.

The square root of 241418521 is about 15537.6485029106. The cubic root of 241418521 is about 622.6684509420.

The spelling of 241418521 in words is "two hundred forty-one million, four hundred eighteen thousand, five hundred twenty-one".