52412320321 has 2 divisors, whose sum is σ = 52412320322. Its totient is φ = 52412320320.

The previous prime is 52412320319. The next prime is 52412320369. The reversal of 52412320321 is 12302321425.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51390623025 + 1021697296 = 226695^2 + 31964^2 .

It is a cyclic number.

It is not a de Polignac number, because 52412320321 - 2¹ = 52412320319 is a prime.

It is a super-2 number, since 2×52412320321² (a number of 22 digits) contains 22 as substring.

Together with 52412320319, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (52412326321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26206160160 + 26206160161.

It is an arithmetic number, because the mean of its divisors is an integer number (26206160161).

Almost surely, 2^52412320321 is an apocalyptic number.

It is an amenable number.

52412320321 is a deficient number, since it is larger than the sum of its proper divisors (1).

52412320321 is an equidigital number, since it uses as much as digits as its factorization.

52412320321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 52412320321 its reverse (12302321425), we get a palindrome (64714641746).

The spelling of 52412320321 in words is "fifty-two billion, four hundred twelve million, three hundred twenty thousand, three hundred twenty-one".