505305241 has 4 divisors (see below), whose sum is σ = 577491712. Its totient is φ = 433118772.

The previous prime is 505305191. The next prime is 505305259. The reversal of 505305241 is 142503505.

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 505305241 - 2¹⁷ = 505174169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (505305641) 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, 36093225 + ... + 36093238.

It is an arithmetic number, because the mean of its divisors is an integer number (144372928).

Almost surely, 2^505305241 is an apocalyptic number.

It is an amenable number.

505305241 is a deficient number, since it is larger than the sum of its proper divisors (72186471).

505305241 is an equidigital number, since it uses as much as digits as its factorization.

505305241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72186470.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 505305241 is about 22478.9955514031. The cubic root of 505305241 is about 796.4978372968.

Adding to 505305241 its reverse (142503505), we get a palindrome (647808746).

The spelling of 505305241 in words is "five hundred five million, three hundred five thousand, two hundred forty-one".