520532001 has 48 divisors (see below), whose sum is σ = 855865920. Its totient is φ = 313528320.

The previous prime is 520531997. The next prime is 520532009. The reversal of 520532001 is 100235025.

It is a happy number.

It is not a de Polignac number, because 520532001 - 2² = 520531997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (520532009) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 515385 + ... + 516393.

It is an arithmetic number, because the mean of its divisors is an integer number (17830540).

Almost surely, 2^520532001 is an apocalyptic number.

It is an amenable number.

520532001 is a deficient number, since it is larger than the sum of its proper divisors (335333919).

520532001 is a wasteful number, since it uses less digits than its factorization.

520532001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1228 (or 1216 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 520532001 is about 22815.1704135647. The cubic root of 520532001 is about 804.4192928810.

Adding to 520532001 its reverse (100235025), we get a palindrome (620767026).

The spelling of 520532001 in words is "five hundred twenty million, five hundred thirty-two thousand, one".