2516303245 has 4 divisors (see below), whose sum is σ = 3019563900. Its totient is φ = 2013042592.

The previous prime is 2516303221. The next prime is 2516303267. The reversal of 2516303245 is 5423036152.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1428688804 + 1087614441 = 37798^2 + 32979^2 .

It is a cyclic number.

It is not a de Polignac number, because 2516303245 - 2¹¹ = 2516301197 is a prime.

It is a congruent number.

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, 251630320 + ... + 251630329.

It is an arithmetic number, because the mean of its divisors is an integer number (754890975).

Almost surely, 2^2516303245 is an apocalyptic number.

It is an amenable number.

2516303245 is a deficient number, since it is larger than the sum of its proper divisors (503260655).

2516303245 is an equidigital number, since it uses as much as digits as its factorization.

2516303245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503260654.

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 2516303245 is about 50162.7675173529. The cubic root of 2516303245 is about 1360.1526726312.

Adding to 2516303245 its reverse (5423036152), we get a palindrome (7939339397).

The spelling of 2516303245 in words is "two billion, five hundred sixteen million, three hundred three thousand, two hundred forty-five".