512540316 has 144 divisors (see below), whose sum is σ = 1397541600. Its totient is φ = 158086656.

The previous prime is 512540309. The next prime is 512540323. The reversal of 512540316 is 613045215.

It is an interprime number because it is at equal distance from previous prime (512540309) and next prime (512540323).

It is a self number, because there is not a number n which added to its sum of digits gives 512540316.

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 3264510 + ... + 3264666.

It is an arithmetic number, because the mean of its divisors is an integer number (9705150).

Almost surely, 2^512540316 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 512540316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (698770800).

512540316 is an abundant number, since it is smaller than the sum of its proper divisors (885001284).

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

512540316 is a wasteful number, since it uses less digits than its factorization.

512540316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308 (or 303 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 512540316 is about 22639.3532593137. The cubic root of 512540316 is about 800.2813156486.

The spelling of 512540316 in words is "five hundred twelve million, five hundred forty thousand, three hundred sixteen".