513104327250 has 128 divisors (see below), whose sum is σ = 1287804960000. Its totient is φ = 136071129600.

The previous prime is 513104327243. The next prime is 513104327297. The reversal of 513104327250 is 52723401315.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 257452254 + ... + 257454246.

It is an arithmetic number, because the mean of its divisors is an integer number (10060976250).

Almost surely, 2^513104327250 is an apocalyptic number.

513104327250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 513104327250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (643902480000).

513104327250 is an abundant number, since it is smaller than the sum of its proper divisors (774700632750).

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

513104327250 is a wasteful number, since it uses less digits than its factorization.

513104327250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3741 (or 3731 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 33.

Adding to 513104327250 its reverse (52723401315), we get a palindrome (565827728565).

The spelling of 513104327250 in words is "five hundred thirteen billion, one hundred four million, three hundred twenty-seven thousand, two hundred fifty".