320114257 has 2 divisors, whose sum is σ = 320114258. Its totient is φ = 320114256.

The previous prime is 320114243. The next prime is 320114287. The reversal of 320114257 is 752411023.

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., 256768576 + 63345681 = 16024^2 + 7959^2 .

It is a cyclic number.

It is not a de Polignac number, because 320114257 - 2⁷ = 320114129 is a prime.

It is not a weakly prime, because it can be changed into another prime (320114237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160057128 + 160057129.

It is an arithmetic number, because the mean of its divisors is an integer number (160057129).

Almost surely, 2^320114257 is an apocalyptic number.

It is an amenable number.

320114257 is a deficient number, since it is larger than the sum of its proper divisors (1).

320114257 is an equidigital number, since it uses as much as digits as its factorization.

320114257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 320114257 is about 17891.7371152161. The cubic root of 320114257 is about 684.0717759511.

The spelling of 320114257 in words is "three hundred twenty million, one hundred fourteen thousand, two hundred fifty-seven".