521028060 has 48 divisors (see below), whose sum is σ = 1667291136. Its totient is φ = 119092032.

The previous prime is 521028049. The next prime is 521028061. The reversal of 521028060 is 60820125.

It is a self number, because there is not a number n which added to its sum of digits gives 521028060.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (521028061) 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, 619852 + ... + 620691.

It is an arithmetic number, because the mean of its divisors is an integer number (34735232).

Almost surely, 2^521028060 is an apocalyptic number.

It is an amenable number.

521028060 is an abundant number, since it is smaller than the sum of its proper divisors (1146263076).

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

521028060 is a wasteful number, since it uses less digits than its factorization.

521028060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1240562 (or 1240560 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 521028060 is about 22826.0390782107. The cubic root of 521028060 is about 804.6747448269.

Adding to 521028060 its reverse (60820125), we get a palindrome (581848185).

The spelling of 521028060 in words is "five hundred twenty-one million, twenty-eight thousand, sixty".