521082680 has 16 divisors (see below), whose sum is σ = 1172436120. Its totient is φ = 208433056.

The previous prime is 521082673. The next prime is 521082707. The reversal of 521082680 is 86280125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6513494 + ... + 6513573.

Almost surely, 2^521082680 is an apocalyptic number.

It is an amenable number.

521082680 is an abundant number, since it is smaller than the sum of its proper divisors (651353440).

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

521082680 is a wasteful number, since it uses less digits than its factorization.

521082680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13027078 (or 13027074 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 521082680 is about 22827.2354874610. The cubic root of 521082680 is about 804.7028621857.

The spelling of 521082680 in words is "five hundred twenty-one million, eighty-two thousand, six hundred eighty".