421364201 has 2 divisors, whose sum is σ = 421364202. Its totient is φ = 421364200.

The previous prime is 421364189. The next prime is 421364219. The reversal of 421364201 is 102463124.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 410467600 + 10896601 = 20260^2 + 3301^2 .

It is a cyclic number.

It is not a de Polignac number, because 421364201 - 2⁶ = 421364137 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (421364701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210682100 + 210682101.

It is an arithmetic number, because the mean of its divisors is an integer number (210682101).

Almost surely, 2^421364201 is an apocalyptic number.

It is an amenable number.

421364201 is a deficient number, since it is larger than the sum of its proper divisors (1).

421364201 is an equidigital number, since it uses as much as digits as its factorization.

421364201 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 421364201 is about 20527.1576454218. The cubic root of 421364201 is about 749.6971820478.

The spelling of 421364201 in words is "four hundred twenty-one million, three hundred sixty-four thousand, two hundred one".