513241520 has 40 divisors (see below), whose sum is σ = 1301769360. Its totient is φ = 186632960.

The previous prime is 513241513. The next prime is 513241627. The reversal of 513241520 is 25142315.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 290735 + ... + 292494.

It is an arithmetic number, because the mean of its divisors is an integer number (32544234).

Almost surely, 2^513241520 is an apocalyptic number.

It is an amenable number.

513241520 is an abundant number, since it is smaller than the sum of its proper divisors (788527840).

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

513241520 is a wasteful number, since it uses less digits than its factorization.

513241520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583253 (or 583247 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 513241520 is about 22654.8343626697. The cubic root of 513241520 is about 800.6461030481.

Adding to 513241520 its reverse (25142315), we get a palindrome (538383835).

The spelling of 513241520 in words is "five hundred thirteen million, two hundred forty-one thousand, five hundred twenty".