513030500 has 24 divisors (see below), whose sum is σ = 1120459704. Its totient is φ = 205212000.

The previous prime is 513030491. The next prime is 513030569. The reversal of 513030500 is 5030315.

It can be written as a sum of positive squares in 4 ways, for example, as 98596 + 512931904 = 314^2 + 22648^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 512531 + ... + 513530.

It is an arithmetic number, because the mean of its divisors is an integer number (46685821).

Almost surely, 2^513030500 is an apocalyptic number.

513030500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

513030500 is an abundant number, since it is smaller than the sum of its proper divisors (607429204).

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

513030500 is a wasteful number, since it uses less digits than its factorization.

513030500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1026080 (or 1026068 counting only the distinct ones).

The product of its (nonzero) digits is 225, while the sum is 17.

The square root of 513030500 is about 22650.1765997530. The cubic root of 513030500 is about 800.5363590683.

Adding to 513030500 its reverse (5030315), we get a palindrome (518060815).

The spelling of 513030500 in words is "five hundred thirteen million, thirty thousand, five hundred".