505015463 has 4 divisors (see below), whose sum is σ = 508232280. Its totient is φ = 501798648.

The previous prime is 505015391. The next prime is 505015501. The reversal of 505015463 is 364510505.

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 505015463 - 2¹⁶ = 504949927 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 (505015663) 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, 1608173 + ... + 1608486.

It is an arithmetic number, because the mean of its divisors is an integer number (127058070).

Almost surely, 2^505015463 is an apocalyptic number.

505015463 is a deficient number, since it is larger than the sum of its proper divisors (3216817).

505015463 is a wasteful number, since it uses less digits than its factorization.

505015463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3216816.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 505015463 is about 22472.5490988450. The cubic root of 505015463 is about 796.3455519940.

Adding to 505015463 its reverse (364510505), we get a palindrome (869525968).

The spelling of 505015463 in words is "five hundred five million, fifteen thousand, four hundred sixty-three".