513464540 has 24 divisors (see below), whose sum is σ = 1107419712. Its totient is φ = 199834560.

The previous prime is 513464537. The next prime is 513464573. The reversal of 513464540 is 45464315.

It is a junction number, because it is equal to n+sod(n) for n = 513464497 and 513464506.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 346196 + ... + 347675.

It is an arithmetic number, because the mean of its divisors is an integer number (46142488).

Almost surely, 2^513464540 is an apocalyptic number.

It is an amenable number.

513464540 is an abundant number, since it is smaller than the sum of its proper divisors (593955172).

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

513464540 is a wasteful number, since it uses less digits than its factorization.

513464540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693917 (or 693915 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 513464540 is about 22659.7559563204. The cubic root of 513464540 is about 800.7620551095.

The spelling of 513464540 in words is "five hundred thirteen million, four hundred sixty-four thousand, five hundred forty".