521713483 has 4 divisors (see below), whose sum is σ = 522425968. Its totient is φ = 521001000.

The previous prime is 521713471. The next prime is 521713499. The reversal of 521713483 is 384317125.

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 521713483 - 2²⁵ = 488159051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (521713403) 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, 355143 + ... + 356608.

It is an arithmetic number, because the mean of its divisors is an integer number (130606492).

Almost surely, 2^521713483 is an apocalyptic number.

521713483 is a deficient number, since it is larger than the sum of its proper divisors (712485).

521713483 is an equidigital number, since it uses as much as digits as its factorization.

521713483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712484.

The product of its digits is 20160, while the sum is 34.

The square root of 521713483 is about 22841.0482027424. The cubic root of 521713483 is about 805.0274455362.

The spelling of 521713483 in words is "five hundred twenty-one million, seven hundred thirteen thousand, four hundred eighty-three".