52013501321 has 16 divisors (see below), whose sum is σ = 52715418624. Its totient is φ = 51317801664.

The previous prime is 52013501299. The next prime is 52013501333. The reversal of 52013501321 is 12310531025.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52013501321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52013501921) 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, 12601160 + ... + 12605286.

It is an arithmetic number, because the mean of its divisors is an integer number (3294713664).

Almost surely, 2^52013501321 is an apocalyptic number.

It is an amenable number.

52013501321 is a deficient number, since it is larger than the sum of its proper divisors (701917303).

52013501321 is a wasteful number, since it uses less digits than its factorization.

52013501321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4840.

The product of its (nonzero) digits is 900, while the sum is 23.

The spelling of 52013501321 in words is "fifty-two billion, thirteen million, five hundred one thousand, three hundred twenty-one".