314716421 has 2 divisors, whose sum is σ = 314716422. Its totient is φ = 314716420.

The previous prime is 314716411. The next prime is 314716447. The reversal of 314716421 is 124617413.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 261630625 + 53085796 = 16175^2 + 7286^2 .

It is an emirp because it is prime and its reverse (124617413) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 314716421 - 2¹⁰ = 314715397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (314716411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157358210 + 157358211.

It is an arithmetic number, because the mean of its divisors is an integer number (157358211).

Almost surely, 2^314716421 is an apocalyptic number.

It is an amenable number.

314716421 is a deficient number, since it is larger than the sum of its proper divisors (1).

314716421 is an equidigital number, since it uses as much as digits as its factorization.

314716421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032, while the sum is 29.

The square root of 314716421 is about 17740.2486171981. The cubic root of 314716421 is about 680.2049706495.

The spelling of 314716421 in words is "three hundred fourteen million, seven hundred sixteen thousand, four hundred twenty-one".