320125277 has 2 divisors, whose sum is σ = 320125278. Its totient is φ = 320125276.

The previous prime is 320125259. The next prime is 320125279. The reversal of 320125277 is 772521023.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 207043321 + 113081956 = 14389^2 + 10634^2 .

It is a cyclic number.

It is not a de Polignac number, because 320125277 - 2⁸ = 320125021 is a prime.

Together with 320125279, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320125279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160062638 + 160062639.

It is an arithmetic number, because the mean of its divisors is an integer number (160062639).

Almost surely, 2^320125277 is an apocalyptic number.

It is an amenable number.

320125277 is a deficient number, since it is larger than the sum of its proper divisors (1).

320125277 is an equidigital number, since it uses as much as digits as its factorization.

320125277 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 320125277 is about 17892.0450759548. The cubic root of 320125277 is about 684.0796256322.

The spelling of 320125277 in words is "three hundred twenty million, one hundred twenty-five thousand, two hundred seventy-seven".