520045241 has 4 divisors (see below), whose sum is σ = 524015184. Its totient is φ = 516075300.

The previous prime is 520045199. The next prime is 520045259. The reversal of 520045241 is 142540025.

It is a happy number.

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 520045241 - 2¹⁴ = 520028857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (520042241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1984775 + ... + 1985036.

It is an arithmetic number, because the mean of its divisors is an integer number (131003796).

Almost surely, 2^520045241 is an apocalyptic number.

It is an amenable number.

520045241 is a deficient number, since it is larger than the sum of its proper divisors (3969943).

520045241 is a wasteful number, since it uses less digits than its factorization.

520045241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3969942.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 520045241 is about 22804.5004549541. The cubic root of 520045241 is about 804.1684717664.

Adding to 520045241 its reverse (142540025), we get a palindrome (662585266).

The spelling of 520045241 in words is "five hundred twenty million, forty-five thousand, two hundred forty-one".