520332001 has 16 divisors (see below), whose sum is σ = 601945344.
Its totient is φ = 440561664.
The previous prime is 520331951. The next prime is 520332017. The reversal of 520332001 is 100233025.
It is a cyclic number.
It is not a de Polignac number, because 520332001 - 27 = 520331873 is a prime.
It is not an unprimeable number, because it can be changed into a prime (520332031) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 426945 + ... + 428161.
It is an arithmetic number, because the mean of its divisors is an integer number (37621584).
Almost surely, 2520332001 is an apocalyptic number.
It is an amenable number.
520332001 is a deficient number, since it is larger than the sum of its proper divisors (81613343).
520332001 is a wasteful number, since it uses less digits than its factorization.
520332001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1920.
The product of its (nonzero) digits is 180, while the sum is 16.
The square root of 520332001 is about 22810.7869439000.
The cubic root of 520332001 is about 804.3162544078.
Adding to 520332001 its reverse (100233025), we get a palindrome (620565026).
The spelling of 520332001 in words is "five hundred twenty million, three hundred thirty-two thousand, one".