421314307 has 2 divisors, whose sum is σ = 421314308. Its totient is φ = 421314306.

The previous prime is 421314277. The next prime is 421314389. The reversal of 421314307 is 703413124.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 421314307 - 2¹¹ = 421312259 is a prime.

It is not a weakly prime, because it can be changed into another prime (421311307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210657153 + 210657154.

It is an arithmetic number, because the mean of its divisors is an integer number (210657154).

Almost surely, 2^421314307 is an apocalyptic number.

421314307 is a deficient number, since it is larger than the sum of its proper divisors (1).

421314307 is an equidigital number, since it uses as much as digits as its factorization.

421314307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 421314307 is about 20525.9422926208. The cubic root of 421314307 is about 749.6675901749.

The spelling of 421314307 in words is "four hundred twenty-one million, three hundred fourteen thousand, three hundred seven".