513463216 has 20 divisors (see below), whose sum is σ = 1136954512. Its totient is φ = 220055616.

The previous prime is 513463207. The next prime is 513463217. The reversal of 513463216 is 612364315.

It is not an unprimeable number, because it can be changed into a prime (513463217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2292135 + ... + 2292358.

Almost surely, 2^513463216 is an apocalyptic number.

513463216 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

513463216 is an abundant number, since it is smaller than the sum of its proper divisors (623491296).

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

513463216 is a wasteful number, since it uses less digits than its factorization.

513463216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4584508 (or 4584502 counting only the distinct ones).

The product of its digits is 12960, while the sum is 31.

The square root of 513463216 is about 22659.7267415121. The cubic root of 513463216 is about 800.7613668375.

The spelling of 513463216 in words is "five hundred thirteen million, four hundred sixty-three thousand, two hundred sixteen".