421310027 has 2 divisors, whose sum is σ = 421310028. Its totient is φ = 421310026.

The previous prime is 421310011. The next prime is 421310033. The reversal of 421310027 is 720013124.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 421310027 - 2⁴ = 421310011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 421309990 and 421310008.

It is not a weakly prime, because it can be changed into another prime (421300027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210655013 + 210655014.

It is an arithmetic number, because the mean of its divisors is an integer number (210655014).

Almost surely, 2^421310027 is an apocalyptic number.

421310027 is a deficient number, since it is larger than the sum of its proper divisors (1).

421310027 is an equidigital number, since it uses as much as digits as its factorization.

421310027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 421310027 is about 20525.8380340487. The cubic root of 421310027 is about 749.6650516202.

The spelling of 421310027 in words is "four hundred twenty-one million, three hundred ten thousand, twenty-seven".