513642463 has 8 divisors (see below), whose sum is σ = 537264000. Its totient is φ = 490128408.

The previous prime is 513642457. The next prime is 513642491. The reversal of 513642463 is 364246315.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-513642463 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 (513642443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17013 + ... + 36286.

It is an arithmetic number, because the mean of its divisors is an integer number (67158000).

Almost surely, 2^513642463 is an apocalyptic number.

513642463 is a deficient number, since it is larger than the sum of its proper divisors (23621537).

513642463 is a wasteful number, since it uses less digits than its factorization.

513642463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53741.

The product of its digits is 51840, while the sum is 34.

The square root of 513642463 is about 22663.6815853029. The cubic root of 513642463 is about 800.8545363637.

Adding to 513642463 its reverse (364246315), we get a palindrome (877888778).

The spelling of 513642463 in words is "five hundred thirteen million, six hundred forty-two thousand, four hundred sixty-three".