515323152 has 30 divisors (see below), whose sum is σ = 1442189502. Its totient is φ = 171774336.

The previous prime is 515323121. The next prime is 515323163. The reversal of 515323152 is 251323515.

It is a happy number.

515323152 is a `hidden beast` number, since 51 + 532 + 31 + 52 = 666.

It can be written as a sum of positive squares in only one way, i.e., 320553216 + 194769936 = 17904^2 + 13956^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1789173 + ... + 1789460.

Almost surely, 2^515323152 is an apocalyptic number.

It is an amenable number.

515323152 is an abundant number, since it is smaller than the sum of its proper divisors (926866350).

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

515323152 is a wasteful number, since it uses less digits than its factorization.

515323152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3578647 (or 3578638 counting only the distinct ones).

The product of its digits is 4500, while the sum is 27.

The square root of 515323152 is about 22700.7302085197. The cubic root of 515323152 is about 801.7270771559.

Adding to 515323152 its reverse (251323515), we get a palindrome (766646667).

The spelling of 515323152 in words is "five hundred fifteen million, three hundred twenty-three thousand, one hundred fifty-two".