315540530 has 16 divisors (see below), whose sum is σ = 568560600. Its totient is φ = 126085632.

The previous prime is 315540521. The next prime is 315540541. The reversal of 315540530 is 35045513.

It can be written as a sum of positive squares in 4 ways, for example, as 314743081 + 797449 = 17741^2 + 893^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 315540530.

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 7 ways as a sum of consecutive naturals, for example, 5855 + ... + 25794.

Almost surely, 2^315540530 is an apocalyptic number.

315540530 is a deficient number, since it is larger than the sum of its proper divisors (253020070).

315540530 is a wasteful number, since it uses less digits than its factorization.

315540530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32653.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 315540530 is about 17763.4605299756. The cubic root of 315540530 is about 680.7981760655.

The spelling of 315540530 in words is "three hundred fifteen million, five hundred forty thousand, five hundred thirty".