515303516 has 96 divisors (see below), whose sum is σ = 1141604352. Its totient is φ = 198132480.

The previous prime is 515303513. The next prime is 515303531. The reversal of 515303516 is 615303515.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (515303513) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 3282110 + ... + 3282266.

It is an arithmetic number, because the mean of its divisors is an integer number (11891712).

Almost surely, 2^515303516 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 515303516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (570802176).

515303516 is an abundant number, since it is smaller than the sum of its proper divisors (626300836).

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

515303516 is a wasteful number, since it uses less digits than its factorization.

515303516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379 (or 377 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 29.

The square root of 515303516 is about 22700.2977072989. The cubic root of 515303516 is about 801.7168939580.

Subtracting 515303516 from its reverse (615303515), we obtain a palindrome (99999999).

The spelling of 515303516 in words is "five hundred fifteen million, three hundred three thousand, five hundred sixteen".