315377563 has 2 divisors, whose sum is σ = 315377564. Its totient is φ = 315377562.

The previous prime is 315377549. The next prime is 315377611. The reversal of 315377563 is 365773513.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 315377563 - 2¹³ = 315369371 is a prime.

It is not a weakly prime, because it can be changed into another prime (315377533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157688781 + 157688782.

It is an arithmetic number, because the mean of its divisors is an integer number (157688782).

Almost surely, 2^315377563 is an apocalyptic number.

315377563 is a deficient number, since it is larger than the sum of its proper divisors (1).

315377563 is an equidigital number, since it uses as much as digits as its factorization.

315377563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 198450, while the sum is 40.

The square root of 315377563 is about 17758.8727964362. The cubic root of 315377563 is about 680.6809520941.

The spelling of 315377563 in words is "three hundred fifteen million, three hundred seventy-seven thousand, five hundred sixty-three".