314328257 has 2 divisors, whose sum is σ = 314328258. Its totient is φ = 314328256.

The previous prime is 314328253. The next prime is 314328269. The reversal of 314328257 is 752823413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 314317441 + 10816 = 17729^2 + 104^2 .

It is an emirp because it is prime and its reverse (752823413) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 314328257 - 2² = 314328253 is a prime.

It is not a weakly prime, because it can be changed into another prime (314328253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157164128 + 157164129.

It is an arithmetic number, because the mean of its divisors is an integer number (157164129).

Almost surely, 2^314328257 is an apocalyptic number.

It is an amenable number.

314328257 is a deficient number, since it is larger than the sum of its proper divisors (1).

314328257 is an equidigital number, since it uses as much as digits as its factorization.

314328257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320, while the sum is 35.

The square root of 314328257 is about 17729.3050343210. The cubic root of 314328257 is about 679.9252058739.

The spelling of 314328257 in words is "three hundred fourteen million, three hundred twenty-eight thousand, two hundred fifty-seven".