515215352 has 16 divisors (see below), whose sum is σ = 973082160. Its totient is φ = 255726784.

The previous prime is 515215303. The next prime is 515215357. The reversal of 515215352 is 253512515.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (515215357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233948 + ... + 236139.

It is an arithmetic number, because the mean of its divisors is an integer number (60817635).

Almost surely, 2^515215352 is an apocalyptic number.

It is an amenable number.

515215352 is a deficient number, since it is larger than the sum of its proper divisors (457866808).

515215352 is a wasteful number, since it uses less digits than its factorization.

515215352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470230 (or 470226 counting only the distinct ones).

The product of its digits is 7500, while the sum is 29.

The square root of 515215352 is about 22698.3557113726. The cubic root of 515215352 is about 801.6711690616.

Adding to 515215352 its reverse (253512515), we get a palindrome (768727867).

The spelling of 515215352 in words is "five hundred fifteen million, two hundred fifteen thousand, three hundred fifty-two".