521541327 has 16 divisors (see below), whose sum is σ = 702144000. Its totient is φ = 344329152.

The previous prime is 521541323. The next prime is 521541329. The reversal of 521541327 is 723145125.

It is not a de Polignac number, because 521541327 - 2² = 521541323 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 521541294 and 521541303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (521541323) 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 15 ways as a sum of consecutive naturals, for example, 203818 + ... + 206360.

It is an arithmetic number, because the mean of its divisors is an integer number (43884000).

Almost surely, 2^521541327 is an apocalyptic number.

521541327 is a deficient number, since it is larger than the sum of its proper divisors (180602673).

521541327 is a wasteful number, since it uses less digits than its factorization.

521541327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3182.

The product of its digits is 8400, while the sum is 30.

The square root of 521541327 is about 22837.2793256990. The cubic root of 521541327 is about 804.9388876360.

The spelling of 521541327 in words is "five hundred twenty-one million, five hundred forty-one thousand, three hundred twenty-seven".