314244257 has 2 divisors, whose sum is σ = 314244258. Its totient is φ = 314244256.

The previous prime is 314244251. The next prime is 314244263. The reversal of 314244257 is 752442413.

It is a balanced prime because it is at equal distance from previous prime (314244251) and next prime (314244263).

It can be written as a sum of positive squares in only one way, i.e., 221295376 + 92948881 = 14876^2 + 9641^2 .

It is an emirp because it is prime and its reverse (752442413) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 314244257 - 2¹² = 314240161 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (314244251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157122128 + 157122129.

It is an arithmetic number, because the mean of its divisors is an integer number (157122129).

Almost surely, 2^314244257 is an apocalyptic number.

It is an amenable number.

314244257 is a deficient number, since it is larger than the sum of its proper divisors (1).

314244257 is an equidigital number, since it uses as much as digits as its factorization.

314244257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26880, while the sum is 32.

The square root of 314244257 is about 17726.9359168470. The cubic root of 314244257 is about 679.8646335217.

The spelling of 314244257 in words is "three hundred fourteen million, two hundred forty-four thousand, two hundred fifty-seven".