241204421 has 2 divisors, whose sum is σ = 241204422. Its totient is φ = 241204420.

The previous prime is 241204399. The next prime is 241204441. The reversal of 241204421 is 124402142.

241204421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (241204441) can be obtained adding 241204421 to its sum of digits (20).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 235960321 + 5244100 = 15361^2 + 2290^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-241204421 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 241204393 and 241204402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (241204441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120602210 + 120602211.

It is an arithmetic number, because the mean of its divisors is an integer number (120602211).

Almost surely, 2^241204421 is an apocalyptic number.

It is an amenable number.

241204421 is a deficient number, since it is larger than the sum of its proper divisors (1).

241204421 is an equidigital number, since it uses as much as digits as its factorization.

241204421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 241204421 is about 15530.7572577772. The cubic root of 241204421 is about 622.4843270625.

Adding to 241204421 its reverse (124402142), we get a palindrome (365606563).

The spelling of 241204421 in words is "two hundred forty-one million, two hundred four thousand, four hundred twenty-one".