520450140241 has 4 divisors (see below), whose sum is σ = 543078407232. Its totient is φ = 497821873252.

The previous prime is 520450140187. The next prime is 520450140263. The reversal of 520450140241 is 142041054025.

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 520450140241 - 2¹¹ = 520450138193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (520450144241) 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, 11314133461 + ... + 11314133506.

It is an arithmetic number, because the mean of its divisors is an integer number (135769601808).

Almost surely, 2^520450140241 is an apocalyptic number.

It is an amenable number.

520450140241 is a deficient number, since it is larger than the sum of its proper divisors (22628266991).

520450140241 is a wasteful number, since it uses less digits than its factorization.

520450140241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22628266990.

The product of its (nonzero) digits is 6400, while the sum is 28.

Adding to 520450140241 its reverse (142041054025), we get a palindrome (662491194266).

The spelling of 520450140241 in words is "five hundred twenty billion, four hundred fifty million, one hundred forty thousand, two hundred forty-one".