513600540 has 24 divisors (see below), whose sum is σ = 1438081680. Its totient is φ = 136960128.

The previous prime is 513600517. The next prime is 513600553. The reversal of 513600540 is 45006315.

It is a self number, because there is not a number n which added to its sum of digits gives 513600540.

It is a congruent number.

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, 4279945 + ... + 4280064.

It is an arithmetic number, because the mean of its divisors is an integer number (59920070).

Almost surely, 2^513600540 is an apocalyptic number.

It is an amenable number.

513600540 is an abundant number, since it is smaller than the sum of its proper divisors (924481140).

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

513600540 is a wasteful number, since it uses less digits than its factorization.

513600540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8560021 (or 8560019 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 513600540 is about 22662.7566725674. The cubic root of 513600540 is about 800.8327474472.

Adding to 513600540 its reverse (45006315), we get a palindrome (558606855).

The spelling of 513600540 in words is "five hundred thirteen million, six hundred thousand, five hundred forty".