314257133 has 2 divisors, whose sum is σ = 314257134. Its totient is φ = 314257132.

The previous prime is 314257129. The next prime is 314257159. The reversal of 314257133 is 331752413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 250209124 + 64048009 = 15818^2 + 8003^2 .

It is a cyclic number.

It is not a de Polignac number, because 314257133 - 2² = 314257129 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 314257096 and 314257105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (314257033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157128566 + 157128567.

It is an arithmetic number, because the mean of its divisors is an integer number (157128567).

Almost surely, 2^314257133 is an apocalyptic number.

It is an amenable number.

314257133 is a deficient number, since it is larger than the sum of its proper divisors (1).

314257133 is an equidigital number, since it uses as much as digits as its factorization.

314257133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7560, while the sum is 29.

The square root of 314257133 is about 17727.2990892578. The cubic root of 314257133 is about 679.8739190984.

The spelling of 314257133 in words is "three hundred fourteen million, two hundred fifty-seven thousand, one hundred thirty-three".