314505161 has 2 divisors, whose sum is σ = 314505162. Its totient is φ = 314505160.

The previous prime is 314505109. The next prime is 314505187. The reversal of 314505161 is 161505413.

It is an a-pointer prime, because the next prime (314505187) can be obtained adding 314505161 to its sum of digits (26).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 243204025 + 71301136 = 15595^2 + 8444^2 .

It is an emirp because it is prime and its reverse (161505413) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-314505161 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 314505161.

It is not a weakly prime, because it can be changed into another prime (314507161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157252580 + 157252581.

It is an arithmetic number, because the mean of its divisors is an integer number (157252581).

Almost surely, 2^314505161 is an apocalyptic number.

It is an amenable number.

314505161 is a deficient number, since it is larger than the sum of its proper divisors (1).

314505161 is an equidigital number, since it uses as much as digits as its factorization.

314505161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 314505161 is about 17734.2933606050. The cubic root of 314505161 is about 680.0527359620.

The spelling of 314505161 in words is "three hundred fourteen million, five hundred five thousand, one hundred sixty-one".