515364012 has 24 divisors (see below), whose sum is σ = 1336129200. Its totient is φ = 171787968.

The previous prime is 515364011. The next prime is 515364049. The reversal of 515364012 is 210463515.

515364012 is a `hidden beast` number, since 5 + 1 + 5 + 3 + 640 + 12 = 666.

It is a super-2 number, since 2×515364012² = 531200129729472288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (515364011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2385837 + ... + 2386052.

It is an arithmetic number, because the mean of its divisors is an integer number (55672050).

Almost surely, 2^515364012 is an apocalyptic number.

It is an amenable number.

515364012 is an abundant number, since it is smaller than the sum of its proper divisors (820765188).

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

515364012 is a wasteful number, since it uses less digits than its factorization.

515364012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4771902 (or 4771894 counting only the distinct ones).

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

The square root of 515364012 is about 22701.6301617307. The cubic root of 515364012 is about 801.7482662567.

The spelling of 515364012 in words is "five hundred fifteen million, three hundred sixty-four thousand, twelve".