513330463 has 4 divisors (see below), whose sum is σ = 514950120. Its totient is φ = 511710808.

The previous prime is 513330449. The next prime is 513330469. The reversal of 513330463 is 364033315.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 513330463 - 2⁹ = 513329951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513330469) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 809353 + ... + 809986.

It is an arithmetic number, because the mean of its divisors is an integer number (128737530).

Almost surely, 2^513330463 is an apocalyptic number.

513330463 is a deficient number, since it is larger than the sum of its proper divisors (1619657).

513330463 is a wasteful number, since it uses less digits than its factorization.

513330463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1619656.

The product of its (nonzero) digits is 9720, while the sum is 28.

The square root of 513330463 is about 22656.7972802865. The cubic root of 513330463 is about 800.6923501205.

Adding to 513330463 its reverse (364033315), we get a palindrome (877363778).

The spelling of 513330463 in words is "five hundred thirteen million, three hundred thirty thousand, four hundred sixty-three".