520406241 has 8 divisors (see below), whose sum is σ = 694020384. Its totient is φ = 346864800.

The previous prime is 520406233. The next prime is 520406251. The reversal of 520406241 is 142604025.

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

It is not a de Polignac number, because 520406241 - 2³ = 520406233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (520406251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1605 + ... + 32301.

It is an arithmetic number, because the mean of its divisors is an integer number (86752548).

Almost surely, 2^520406241 is an apocalyptic number.

It is an amenable number.

520406241 is a deficient number, since it is larger than the sum of its proper divisors (173614143).

520406241 is a wasteful number, since it uses less digits than its factorization.

520406241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36351.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 520406241 is about 22812.4141861400. The cubic root of 520406241 is about 804.3545053699.

The spelling of 520406241 in words is "five hundred twenty million, four hundred six thousand, two hundred forty-one".