521116483 has 4 divisors (see below), whose sum is σ = 522958168. Its totient is φ = 519274800.

The previous prime is 521116481. The next prime is 521116489. The reversal of 521116483 is 384611125.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 521116483 - 2¹ = 521116481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (521116481) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 920418 + ... + 920983.

It is an arithmetic number, because the mean of its divisors is an integer number (130739542).

Almost surely, 2^521116483 is an apocalyptic number.

521116483 is a deficient number, since it is larger than the sum of its proper divisors (1841685).

521116483 is a wasteful number, since it uses less digits than its factorization.

521116483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1841684.

The product of its digits is 5760, while the sum is 31.

The square root of 521116483 is about 22827.9758848655. The cubic root of 521116483 is about 804.7202623564.

The spelling of 521116483 in words is "five hundred twenty-one million, one hundred sixteen thousand, four hundred eighty-three".