505304461 has 4 divisors (see below), whose sum is σ = 511700800. Its totient is φ = 498908124.

The previous prime is 505304453. The next prime is 505304477. The reversal of 505304461 is 164403505.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 505304461 - 2³ = 505304453 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 (505304431) 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, 3198051 + ... + 3198208.

It is an arithmetic number, because the mean of its divisors is an integer number (127925200).

Almost surely, 2^505304461 is an apocalyptic number.

It is an amenable number.

505304461 is a deficient number, since it is larger than the sum of its proper divisors (6396339).

505304461 is an equidigital number, since it uses as much as digits as its factorization.

505304461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6396338.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 505304461 is about 22478.9782018667. The cubic root of 505304461 is about 796.4974274662.

Adding to 505304461 its reverse (164403505), we get a palindrome (669707966).

The spelling of 505304461 in words is "five hundred five million, three hundred four thousand, four hundred sixty-one".