315270005 has 4 divisors (see below), whose sum is σ = 378324012. Its totient is φ = 252216000.

The previous prime is 315270001. The next prime is 315270037. The reversal of 315270005 is 500072513.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 500072513 = 101 ⋅4951213.

It can be written as a sum of positive squares in 2 ways, for example, as 55383364 + 259886641 = 7442^2 + 16121^2 .

It is not a de Polignac number, because 315270005 - 2² = 315270001 is a prime.

It is a super-3 number, since 3×315270005³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315270001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31526996 + ... + 31527005.

It is an arithmetic number, because the mean of its divisors is an integer number (94581003).

Almost surely, 2^315270005 is an apocalyptic number.

It is an amenable number.

315270005 is a deficient number, since it is larger than the sum of its proper divisors (63054007).

315270005 is an equidigital number, since it uses as much as digits as its factorization.

315270005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63054006.

The product of its (nonzero) digits is 1050, while the sum is 23.

The square root of 315270005 is about 17755.8442491479. The cubic root of 315270005 is about 680.6035623080.

The spelling of 315270005 in words is "three hundred fifteen million, two hundred seventy thousand, five".