521594116 has 24 divisors (see below), whose sum is σ = 957579840. Its totient is φ = 248253600.

The previous prime is 521594113. The next prime is 521594149. The reversal of 521594116 is 611495125.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (521594113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23430 + ... + 39901.

It is an arithmetic number, because the mean of its divisors is an integer number (39899160).

Almost surely, 2^521594116 is an apocalyptic number.

It is an amenable number.

521594116 is a deficient number, since it is larger than the sum of its proper divisors (435985724).

521594116 is a wasteful number, since it uses less digits than its factorization.

521594116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63435 (or 63433 counting only the distinct ones).

The product of its digits is 10800, while the sum is 34.

The square root of 521594116 is about 22838.4350602225. The cubic root of 521594116 is about 804.9660446308.

The spelling of 521594116 in words is "five hundred twenty-one million, five hundred ninety-four thousand, one hundred sixteen".