315063241 has 2 divisors, whose sum is σ = 315063242. Its totient is φ = 315063240.

The previous prime is 315063233. The next prime is 315063271. The reversal of 315063241 is 142360513.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 295668025 + 19395216 = 17195^2 + 4404^2 .

It is a cyclic number.

It is not a de Polignac number, because 315063241 - 2³ = 315063233 is a prime.

It is not a weakly prime, because it can be changed into another prime (315063211) by changing a digit.

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 as a sum of consecutive naturals, namely, 157531620 + 157531621.

It is an arithmetic number, because the mean of its divisors is an integer number (157531621).

Almost surely, 2^315063241 is an apocalyptic number.

It is an amenable number.

315063241 is a deficient number, since it is larger than the sum of its proper divisors (1).

315063241 is an equidigital number, since it uses as much as digits as its factorization.

315063241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 315063241 is about 17750.0208732272. The cubic root of 315063241 is about 680.4547426849.

The spelling of 315063241 in words is "three hundred fifteen million, sixty-three thousand, two hundred forty-one".