513103052 has 24 divisors (see below), whose sum is σ = 1119498240. Its totient is φ = 199910160.

The previous prime is 513103051. The next prime is 513103079. The reversal of 513103052 is 250301315.

It is not an unprimeable number, because it can be changed into a prime (513103051) 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, 832652 + ... + 833267.

It is an arithmetic number, because the mean of its divisors is an integer number (46645760).

Almost surely, 2^513103052 is an apocalyptic number.

It is an amenable number.

513103052 is an abundant number, since it is smaller than the sum of its proper divisors (606395188).

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

513103052 is a wasteful number, since it uses less digits than its factorization.

513103052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1665941 (or 1665939 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 513103052 is about 22651.7781200505. The cubic root of 513103052 is about 800.5740941713.

Adding to 513103052 its reverse (250301315), we get a palindrome (763404367).

The spelling of 513103052 in words is "five hundred thirteen million, one hundred three thousand, fifty-two".