421367327 has 2 divisors, whose sum is σ = 421367328. Its totient is φ = 421367326.

The previous prime is 421367311. The next prime is 421367329. The reversal of 421367327 is 723763124.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 421367327 - 2⁴ = 421367311 is a prime.

Together with 421367329, 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 (421367329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210683663 + 210683664.

It is an arithmetic number, because the mean of its divisors is an integer number (210683664).

Almost surely, 2^421367327 is an apocalyptic number.

421367327 is a deficient number, since it is larger than the sum of its proper divisors (1).

421367327 is an equidigital number, since it uses as much as digits as its factorization.

421367327 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42336, while the sum is 35.

The square root of 421367327 is about 20527.2337883116. The cubic root of 421367327 is about 749.6990359844.

The spelling of 421367327 in words is "four hundred twenty-one million, three hundred sixty-seven thousand, three hundred twenty-seven".