513120443 has 8 divisors (see below), whose sum is σ = 564904560. Its totient is φ = 462192480.

The previous prime is 513120427. The next prime is 513120449. The reversal of 513120443 is 344021315.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 513120443 - 2⁴ = 513120427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (513120449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212780 + ... + 215177.

It is an arithmetic number, because the mean of its divisors is an integer number (70613070).

Almost surely, 2^513120443 is an apocalyptic number.

513120443 is a deficient number, since it is larger than the sum of its proper divisors (51784117).

513120443 is a wasteful number, since it uses less digits than its factorization.

513120443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428077.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 513120443 is about 22652.1619939466. The cubic root of 513120443 is about 800.5831388955.

Adding to 513120443 its reverse (344021315), we get a palindrome (857141758).

The spelling of 513120443 in words is "five hundred thirteen million, one hundred twenty thousand, four hundred forty-three".