421301341 has 2 divisors, whose sum is σ = 421301342. Its totient is φ = 421301340.

The previous prime is 421301339. The next prime is 421301369. The reversal of 421301341 is 143103124.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 417384900 + 3916441 = 20430^2 + 1979^2 .

It is a cyclic number.

It is not a de Polignac number, because 421301341 - 2¹ = 421301339 is a prime.

Together with 421301339, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (421301141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210650670 + 210650671.

It is an arithmetic number, because the mean of its divisors is an integer number (210650671).

Almost surely, 2^421301341 is an apocalyptic number.

It is an amenable number.

421301341 is a deficient number, since it is larger than the sum of its proper divisors (1).

421301341 is an equidigital number, since it uses as much as digits as its factorization.

421301341 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 421301341 is about 20525.6264459821. The cubic root of 421301341 is about 749.6598997250.

Adding to 421301341 its reverse (143103124), we get a palindrome (564404465).

The spelling of 421301341 in words is "four hundred twenty-one million, three hundred one thousand, three hundred forty-one".