513864486 has 20 divisors (see below), whose sum is σ = 1151437452. Its totient is φ = 171288108.

The previous prime is 513864451. The next prime is 513864487. The reversal of 513864486 is 684468315.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513864487) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1585840 + ... + 1586163.

Almost surely, 2^513864486 is an apocalyptic number.

513864486 is an abundant number, since it is smaller than the sum of its proper divisors (637572966).

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

513864486 is a wasteful number, since it uses less digits than its factorization.

513864486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3172017 (or 3172008 counting only the distinct ones).

The product of its digits is 552960, while the sum is 45.

The square root of 513864486 is about 22668.5792673471. The cubic root of 513864486 is about 800.9699100762.

The spelling of 513864486 in words is "five hundred thirteen million, eight hundred sixty-four thousand, four hundred eighty-six".