521026116 has 48 divisors (see below), whose sum is σ = 1327713408. Its totient is φ = 158054400.

The previous prime is 521026097. The next prime is 521026127. The reversal of 521026116 is 611620125.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12445 + ... + 34596.

It is an arithmetic number, because the mean of its divisors is an integer number (27660696).

Almost surely, 2^521026116 is an apocalyptic number.

It is an amenable number.

521026116 is an abundant number, since it is smaller than the sum of its proper divisors (806687292).

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

521026116 is a wasteful number, since it uses less digits than its factorization.

521026116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47132 (or 47130 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 521026116 is about 22825.9964952245. The cubic root of 521026116 is about 804.6737440557.

The spelling of 521026116 in words is "five hundred twenty-one million, twenty-six thousand, one hundred sixteen".