515040530 has 8 divisors (see below), whose sum is σ = 927072972. Its totient is φ = 206016208.

The previous prime is 515040521. The next prime is 515040557. The reversal of 515040530 is 35040515.

It can be written as a sum of positive squares in 2 ways, for example, as 511076449 + 3964081 = 22607^2 + 1991^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 515040496 and 515040505.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25752017 + ... + 25752036.

Almost surely, 2^515040530 is an apocalyptic number.

515040530 is a deficient number, since it is larger than the sum of its proper divisors (412032442).

515040530 is a wasteful number, since it uses less digits than its factorization.

515040530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51504060.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 515040530 is about 22694.5044008456. The cubic root of 515040530 is about 801.5804849031.

The spelling of 515040530 in words is "five hundred fifteen million, forty thousand, five hundred thirty".