315275273 has 2 divisors, whose sum is σ = 315275274. Its totient is φ = 315275272.

The previous prime is 315275249. The next prime is 315275299. The reversal of 315275273 is 372572513.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 242206969 + 73068304 = 15563^2 + 8548^2 .

It is an emirp because it is prime and its reverse (372572513) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 315275273 - 2¹⁰ = 315274249 is a prime.

It is not a weakly prime, because it can be changed into another prime (315275573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157637636 + 157637637.

It is an arithmetic number, because the mean of its divisors is an integer number (157637637).

Almost surely, 2^315275273 is an apocalyptic number.

It is an amenable number.

315275273 is a deficient number, since it is larger than the sum of its proper divisors (1).

315275273 is an equidigital number, since it uses as much as digits as its factorization.

315275273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 44100, while the sum is 35.

The square root of 315275273 is about 17755.9925940512. The cubic root of 315275273 is about 680.6073531323.

The spelling of 315275273 in words is "three hundred fifteen million, two hundred seventy-five thousand, two hundred seventy-three".