521524053347 has 16 divisors (see below), whose sum is σ = 603284257152. Its totient is φ = 445570350720.

The previous prime is 521524053319. The next prime is 521524053367. The reversal of 521524053347 is 743350425125.

It is not a de Polignac number, because 521524053347 - 2¹⁰ = 521524052323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (521524053367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1913933 + ... + 2169374.

It is an arithmetic number, because the mean of its divisors is an integer number (37705266072).

Almost surely, 2^521524053347 is an apocalyptic number.

521524053347 is a deficient number, since it is larger than the sum of its proper divisors (81760203805).

521524053347 is a wasteful number, since it uses less digits than its factorization.

521524053347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4084018.

The product of its (nonzero) digits is 504000, while the sum is 41.

The spelling of 521524053347 in words is "five hundred twenty-one billion, five hundred twenty-four million, fifty-three thousand, three hundred forty-seven".