520305241 has 8 divisors (see below), whose sum is σ = 544147200. Its totient is φ = 496564992.

The previous prime is 520305239. The next prime is 520305251. The reversal of 520305241 is 142503025.

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

It is a cyclic number.

It is not a de Polignac number, because 520305241 - 2¹ = 520305239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (520305251) 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, 14865 + ... + 35518.

It is an arithmetic number, because the mean of its divisors is an integer number (68018400).

Almost surely, 2^520305241 is an apocalyptic number.

It is an amenable number.

520305241 is a deficient number, since it is larger than the sum of its proper divisors (23841959).

520305241 is a wasteful number, since it uses less digits than its factorization.

520305241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50855.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 520305241 is about 22810.2003717635. The cubic root of 520305241 is about 804.3024658574.

Adding to 520305241 its reverse (142503025), we get a palindrome (662808266).

The spelling of 520305241 in words is "five hundred twenty million, three hundred five thousand, two hundred forty-one".