513011044 has 96 divisors (see below), whose sum is σ = 1193310720. Its totient is φ = 187342848.

The previous prime is 513011029. The next prime is 513011089. The reversal of 513011044 is 440110315.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 241732 + ... + 243844.

It is an arithmetic number, because the mean of its divisors is an integer number (12430320).

Almost surely, 2^513011044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 513011044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (596655360).

513011044 is an abundant number, since it is smaller than the sum of its proper divisors (680299676).

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

513011044 is a wasteful number, since it uses less digits than its factorization.

513011044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2189 (or 2187 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 513011044 is about 22649.7471067560. The cubic root of 513011044 is about 800.5262391812.

Adding to 513011044 its reverse (440110315), we get a palindrome (953121359).

The spelling of 513011044 in words is "five hundred thirteen million, eleven thousand, forty-four".