2512316530 has 8 divisors (see below), whose sum is σ = 4522169772. Its totient is φ = 1004926608.

The previous prime is 2512316507. The next prime is 2512316531. The reversal of 2512316530 is 356132152.

It can be written as a sum of positive squares in 2 ways, for example, as 2494902601 + 17413929 = 49949^2 + 4173^2 .

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

It is a super-2 number, since 2×2512316530² = 12623468693822481800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2512316531) 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, 125615817 + ... + 125615836.

Almost surely, 2^2512316530 is an apocalyptic number.

2512316530 is a deficient number, since it is larger than the sum of its proper divisors (2009853242).

2512316530 is a wasteful number, since it uses less digits than its factorization.

2512316530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251231660.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 2512316530 is about 50123.0139756180. The cubic root of 2512316530 is about 1359.4339718496.

Adding to 2512316530 its reverse (356132152), we get a palindrome (2868448682).

The spelling of 2512316530 in words is "two billion, five hundred twelve million, three hundred sixteen thousand, five hundred thirty".