315020005 has 16 divisors (see below), whose sum is σ = 383685120. Its totient is φ = 248257152.

The previous prime is 315020003. The next prime is 315020033. The reversal of 315020005 is 500020513.

It is a cyclic number.

It is not a de Polignac number, because 315020005 - 2¹ = 315020003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315020003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 286617 + ... + 287713.

It is an arithmetic number, because the mean of its divisors is an integer number (23980320).

Almost surely, 2^315020005 is an apocalyptic number.

It is an amenable number.

315020005 is a deficient number, since it is larger than the sum of its proper divisors (68665115).

315020005 is a wasteful number, since it uses less digits than its factorization.

315020005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1908.

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 315020005 is about 17748.8029173801. The cubic root of 315020005 is about 680.4236150854.

Adding to 315020005 its reverse (500020513), we get a palindrome (815040518).

The spelling of 315020005 in words is "three hundred fifteen million, twenty thousand, five".