521066014 has 32 divisors (see below), whose sum is σ = 953303040. Its totient is φ = 208510848.

The previous prime is 521066003. The next prime is 521066023. The reversal of 521066014 is 410660125.

It is a self number, because there is not a number n which added to its sum of digits gives 521066014.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 21607 + ... + 38845.

It is an arithmetic number, because the mean of its divisors is an integer number (29790720).

Almost surely, 2^521066014 is an apocalyptic number.

521066014 is a deficient number, since it is larger than the sum of its proper divisors (432237026).

521066014 is a wasteful number, since it uses less digits than its factorization.

521066014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17392.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 521066014 is about 22826.8704381481. The cubic root of 521066014 is about 804.6942830476.

The spelling of 521066014 in words is "five hundred twenty-one million, sixty-six thousand, fourteen".