241708421 has 2 divisors, whose sum is σ = 241708422. Its totient is φ = 241708420.

The previous prime is 241708393. The next prime is 241708471. The reversal of 241708421 is 124807142.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 139476100 + 102232321 = 11810^2 + 10111^2 .

It is a cyclic number.

It is not a de Polignac number, because 241708421 - 2¹⁰ = 241707397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (241708471) 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, 120854210 + 120854211.

It is an arithmetic number, because the mean of its divisors is an integer number (120854211).

Almost surely, 2^241708421 is an apocalyptic number.

It is an amenable number.

241708421 is a deficient number, since it is larger than the sum of its proper divisors (1).

241708421 is an equidigital number, since it uses as much as digits as its factorization.

241708421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3584, while the sum is 29.

The square root of 241708421 is about 15546.9746574695. The cubic root of 241708421 is about 622.9175886600.

The spelling of 241708421 in words is "two hundred forty-one million, seven hundred eight thousand, four hundred twenty-one".