315303853 has 2 divisors, whose sum is σ = 315303854. Its totient is φ = 315303852.

The previous prime is 315303851. The next prime is 315303869. The reversal of 315303853 is 358303513.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 285677604 + 29626249 = 16902^2 + 5443^2 .

It is a cyclic number.

It is not a de Polignac number, because 315303853 - 2¹ = 315303851 is a prime.

Together with 315303851, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315303851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157651926 + 157651927.

It is an arithmetic number, because the mean of its divisors is an integer number (157651927).

Almost surely, 2^315303853 is an apocalyptic number.

It is an amenable number.

315303853 is a deficient number, since it is larger than the sum of its proper divisors (1).

315303853 is an equidigital number, since it uses as much as digits as its factorization.

315303853 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16200, while the sum is 31.

The square root of 315303853 is about 17756.7973745267. The cubic root of 315303853 is about 680.6279184098.

The spelling of 315303853 in words is "three hundred fifteen million, three hundred three thousand, eight hundred fifty-three".