513001540 has 24 divisors (see below), whose sum is σ = 1077733440. Its totient is φ = 205118688.

The previous prime is 513001529. The next prime is 513001543. The reversal of 513001540 is 45100315.

It is not an unprimeable number, because it can be changed into a prime (513001543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84321 + ... + 90199.

It is an arithmetic number, because the mean of its divisors is an integer number (44905560).

Almost surely, 2^513001540 is an apocalyptic number.

It is an amenable number.

513001540 is an abundant number, since it is smaller than the sum of its proper divisors (564731900).

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

513001540 is a wasteful number, since it uses less digits than its factorization.

513001540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10251 (or 10249 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 513001540 is about 22649.5373021172. The cubic root of 513001540 is about 800.5212956564.

Adding to 513001540 its reverse (45100315), we get a palindrome (558101855).

The spelling of 513001540 in words is "five hundred thirteen million, one thousand, five hundred forty".