421602341 has 2 divisors, whose sum is σ = 421602342. Its totient is φ = 421602340.

The previous prime is 421602323. The next prime is 421602347. The reversal of 421602341 is 143206124.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 414285316 + 7317025 = 20354^2 + 2705^2 .

It is a cyclic number.

It is not a de Polignac number, because 421602341 - 2⁶ = 421602277 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (421602347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210801170 + 210801171.

It is an arithmetic number, because the mean of its divisors is an integer number (210801171).

Almost surely, 2^421602341 is an apocalyptic number.

It is an amenable number.

421602341 is a deficient number, since it is larger than the sum of its proper divisors (1).

421602341 is an equidigital number, since it uses as much as digits as its factorization.

421602341 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 421602341 is about 20532.9574343298. The cubic root of 421602341 is about 749.8383894748.

Adding to 421602341 its reverse (143206124), we get a palindrome (564808465).

The spelling of 421602341 in words is "four hundred twenty-one million, six hundred two thousand, three hundred forty-one".