513335320 has 16 divisors (see below), whose sum is σ = 1155004560. Its totient is φ = 205334112.

The previous prime is 513335309. The next prime is 513335327. The reversal of 513335320 is 23533315.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513335327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6416652 + ... + 6416731.

It is an arithmetic number, because the mean of its divisors is an integer number (72187785).

Almost surely, 2^513335320 is an apocalyptic number.

It is an amenable number.

513335320 is an abundant number, since it is smaller than the sum of its proper divisors (641669240).

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

513335320 is a wasteful number, since it uses less digits than its factorization.

513335320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12833394 (or 12833390 counting only the distinct ones).

The product of its (nonzero) digits is 4050, while the sum is 25.

The square root of 513335320 is about 22656.9044664094. The cubic root of 513335320 is about 800.6948754271.

Adding to 513335320 its reverse (23533315), we get a palindrome (536868635).

The spelling of 513335320 in words is "five hundred thirteen million, three hundred thirty-five thousand, three hundred twenty".