513447500 has 60 divisors (see below), whose sum is σ = 1142165640. Its totient is φ = 201898000.

The previous prime is 513447499. The next prime is 513447527. The reversal of 513447500 is 5744315.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8702471 + ... + 8702529.

It is an arithmetic number, because the mean of its divisors is an integer number (19036094).

Almost surely, 2^513447500 is an apocalyptic number.

513447500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 513447500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (571082820).

513447500 is an abundant number, since it is smaller than the sum of its proper divisors (628718140).

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

513447500 is an frugal number, since it uses more digits than its factorization.

513447500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201 (or 66 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 513447500 is about 22659.3799562124. The cubic root of 513447500 is about 800.7531968955.

The spelling of 513447500 in words is "five hundred thirteen million, four hundred forty-seven thousand, five hundred".