513206330 has 64 divisors (see below), whose sum is σ = 1176215040. Its totient is φ = 156812544.

The previous prime is 513206311. The next prime is 513206363. The reversal of 513206330 is 33602315.

It is a junction number, because it is equal to n+sod(n) for n = 513206296 and 513206305.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16667 + ... + 36113.

It is an arithmetic number, because the mean of its divisors is an integer number (18378360).

Almost surely, 2^513206330 is an apocalyptic number.

513206330 is an abundant number, since it is smaller than the sum of its proper divisors (663008710).

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

513206330 is a wasteful number, since it uses less digits than its factorization.

513206330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19503.

The product of its (nonzero) digits is 1620, while the sum is 23.

The square root of 513206330 is about 22654.0576939320. The cubic root of 513206330 is about 800.6278040737.

Adding to 513206330 its reverse (33602315), we get a palindrome (546808645).

The spelling of 513206330 in words is "five hundred thirteen million, two hundred six thousand, three hundred thirty".