315005205 has 16 divisors (see below), whose sum is σ = 504319104. Its totient is φ = 167899200.

The previous prime is 315005191. The next prime is 315005213. The reversal of 315005205 is 502500513.

It is not a de Polignac number, because 315005205 - 2¹⁰ = 315004181 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22992 + ... + 34038.

It is an arithmetic number, because the mean of its divisors is an integer number (31519944).

Almost surely, 2^315005205 is an apocalyptic number.

It is an amenable number.

315005205 is a deficient number, since it is larger than the sum of its proper divisors (189313899).

315005205 is a wasteful number, since it uses less digits than its factorization.

315005205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12956.

The product of its (nonzero) digits is 750, while the sum is 21.

The square root of 315005205 is about 17748.3859829563. The cubic root of 315005205 is about 680.4129592254.

Adding to 315005205 its reverse (502500513), we get a palindrome (817505718).

The spelling of 315005205 in words is "three hundred fifteen million, five thousand, two hundred five".