513030203 has 16 divisors (see below), whose sum is σ = 620207616. Its totient is φ = 414849600.

The previous prime is 513030181. The next prime is 513030211. The reversal of 513030203 is 302030315.

It is a cyclic number.

It is not a de Polignac number, because 513030203 - 2²⁰ = 511981627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (513030223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10073 + ... + 33578.

It is an arithmetic number, because the mean of its divisors is an integer number (38762976).

Almost surely, 2^513030203 is an apocalyptic number.

513030203 is a deficient number, since it is larger than the sum of its proper divisors (107177413).

513030203 is a wasteful number, since it uses less digits than its factorization.

513030203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43754.

The product of its (nonzero) digits is 270, while the sum is 17.

The square root of 513030203 is about 22650.1700435118. The cubic root of 513030203 is about 800.5362045880.

Adding to 513030203 its reverse (302030315), we get a palindrome (815060518).

The spelling of 513030203 in words is "five hundred thirteen million, thirty thousand, two hundred three".