314505305 has 4 divisors (see below), whose sum is σ = 377406372. Its totient is φ = 251604240.

The previous prime is 314505299. The next prime is 314505337. The reversal of 314505305 is 503505413.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 503505413 = 3541 ⋅142193.

It can be written as a sum of positive squares in 2 ways, for example, as 69488896 + 245016409 = 8336^2 + 15653^2 .

It is not a de Polignac number, because 314505305 - 2¹⁸ = 314243161 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31450526 + ... + 31450535.

It is an arithmetic number, because the mean of its divisors is an integer number (94351593).

Almost surely, 2^314505305 is an apocalyptic number.

It is an amenable number.

314505305 is a deficient number, since it is larger than the sum of its proper divisors (62901067).

314505305 is an equidigital number, since it uses as much as digits as its factorization.

314505305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62901066.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 314505305 is about 17734.2974205352. The cubic root of 314505305 is about 680.0528397521.

The spelling of 314505305 in words is "three hundred fourteen million, five hundred five thousand, three hundred five".