52001242321 has 8 divisors (see below), whose sum is σ = 59437172864. Its totient is φ = 44567107200.

The previous prime is 52001242301. The next prime is 52001242339. The reversal of 52001242321 is 12324210025.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 52001242321 - 2⁷ = 52001242193 is a prime.

It is a super-2 number, since 2×52001242321² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52001242292 and 52001242301.

It is not an unprimeable number, because it can be changed into a prime (52001242301) 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 7 ways as a sum of consecutive naturals, for example, 386205 + ... + 503146.

It is an arithmetic number, because the mean of its divisors is an integer number (7429646608).

Almost surely, 2^52001242321 is an apocalyptic number.

It is an amenable number.

52001242321 is a deficient number, since it is larger than the sum of its proper divisors (7435930543).

52001242321 is an equidigital number, since it uses as much as digits as its factorization.

52001242321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 897711.

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 52001242321 its reverse (12324210025), we get a palindrome (64325452346).

The spelling of 52001242321 in words is "fifty-two billion, one million, two hundred forty-two thousand, three hundred twenty-one".