513242316 has 36 divisors (see below), whose sum is σ = 1302210000. Its totient is φ = 170441568.

The previous prime is 513242297. The next prime is 513242329. The reversal of 513242316 is 613242315.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 513242316.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16816 + ... + 36183.

It is an arithmetic number, because the mean of its divisors is an integer number (36172500).

Almost surely, 2^513242316 is an apocalyptic number.

It is an amenable number.

513242316 is an abundant number, since it is smaller than the sum of its proper divisors (788967684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

513242316 is a wasteful number, since it uses less digits than its factorization.

513242316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53278 (or 53273 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 513242316 is about 22654.8519306572. The cubic root of 513242316 is about 800.6465169624.

Subtracting 513242316 from its reverse (613242315), we obtain a palindrome (99999999).

It can be divided in two parts, 5 and 13242316, that added together give a square (13242321 = 3639²).

The spelling of 513242316 in words is "five hundred thirteen million, two hundred forty-two thousand, three hundred sixteen".