521116060 has 24 divisors (see below), whose sum is σ = 1141924896. Its totient is φ = 199383360.

The previous prime is 521116049. The next prime is 521116061. The reversal of 521116060 is 60611125.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (521116061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 565971 + ... + 566890.

It is an arithmetic number, because the mean of its divisors is an integer number (47580204).

Almost surely, 2^521116060 is an apocalyptic number.

It is an amenable number.

521116060 is an abundant number, since it is smaller than the sum of its proper divisors (620808836).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

521116060 is a wasteful number, since it uses less digits than its factorization.

521116060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1132893 (or 1132891 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 521116060 is about 22827.9666199160. The cubic root of 521116060 is about 804.7200446209.

Adding to 521116060 its reverse (60611125), we get a palindrome (581727185).

The spelling of 521116060 in words is "five hundred twenty-one million, one hundred sixteen thousand, sixty".