315244005 has 32 divisors (see below), whose sum is σ = 536108544. Its totient is φ = 157633536.

The previous prime is 315244001. The next prime is 315244019. The reversal of 315244005 is 500442513.

It is not a de Polignac number, because 315244005 - 2² = 315244001 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315244001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68404 + ... + 72866.

It is an arithmetic number, because the mean of its divisors is an integer number (16753392).

Almost surely, 2^315244005 is an apocalyptic number.

It is an amenable number.

315244005 is a deficient number, since it is larger than the sum of its proper divisors (220864539).

315244005 is a wasteful number, since it uses less digits than its factorization.

315244005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4765.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 315244005 is about 17755.1120807502. The cubic root of 315244005 is about 680.5848522301.

Adding to 315244005 its reverse (500442513), we get a palindrome (815686518).

The spelling of 315244005 in words is "three hundred fifteen million, two hundred forty-four thousand, five".