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241320421 is a prime number
BaseRepresentation
bin11100110001001…
…00000111100101
3121211002100101101
432120210013211
5443234223141
635540200101
75660122036
oct1630440745
9554070341
10241320421
11114245671
1268999031
133acc3b64
142409aa8d
15162bc531
hexe6241e5

241320421 has 2 divisors, whose sum is σ = 241320422. Its totient is φ = 241320420.

The previous prime is 241320413. The next prime is 241320437. The reversal of 241320421 is 124023142.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 212751396 + 28569025 = 14586^2 + 5345^2 .

It is a cyclic number.

It is not a de Polignac number, because 241320421 - 23 = 241320413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (241320481) 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, 120660210 + 120660211.

It is an arithmetic number, because the mean of its divisors is an integer number (120660211).

Almost surely, 2241320421 is an apocalyptic number.

It is an amenable number.

241320421 is a deficient number, since it is larger than the sum of its proper divisors (1).

241320421 is an equidigital number, since it uses as much as digits as its factorization.

241320421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 241320421 is about 15534.4913338030. The cubic root of 241320421 is about 622.5840994316.

Adding to 241320421 its reverse (124023142), we get a palindrome (365343563).

The spelling of 241320421 in words is "two hundred forty-one million, three hundred twenty thousand, four hundred twenty-one".