515200052 has 6 divisors (see below), whose sum is σ = 901600098. Its totient is φ = 257600024.

The previous prime is 515200033. The next prime is 515200057. The reversal of 515200052 is 250002515.

It can be written as a sum of positive squares in only one way, i.e., 307090576 + 208109476 = 17524^2 + 14426^2 .

It is a junction number, because it is equal to n+sod(n) for n = 515199997 and 515200033.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (515200057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64400003 + ... + 64400010.

It is an arithmetic number, because the mean of its divisors is an integer number (150266683).

Almost surely, 2^515200052 is an apocalyptic number.

It is an amenable number.

515200052 is a deficient number, since it is larger than the sum of its proper divisors (386400046).

515200052 is a wasteful number, since it uses less digits than its factorization.

515200052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128800017 (or 128800015 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 20.

The square root of 515200052 is about 22698.0186800522. The cubic root of 515200052 is about 801.6632334218.

Adding to 515200052 its reverse (250002515), we get a palindrome (765202567).

The spelling of 515200052 in words is "five hundred fifteen million, two hundred thousand, fifty-two".