552251324321 has 2 divisors, whose sum is σ = 552251324322. Its totient is φ = 552251324320.

The previous prime is 552251324297. The next prime is 552251324407. The reversal of 552251324321 is 123423152255.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 356037762721 + 196213561600 = 596689^2 + 442960^2 .

It is a cyclic number.

It is not a de Polignac number, because 552251324321 - 2¹⁰ = 552251323297 is a prime.

It is a super-2 number, since 2×552251324321² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (552251324921) 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 as a sum of consecutive naturals, namely, 276125662160 + 276125662161.

It is an arithmetic number, because the mean of its divisors is an integer number (276125662161).

Almost surely, 2^552251324321 is an apocalyptic number.

It is an amenable number.

552251324321 is a deficient number, since it is larger than the sum of its proper divisors (1).

552251324321 is an equidigital number, since it uses as much as digits as its factorization.

552251324321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72000, while the sum is 35.

Adding to 552251324321 its reverse (123423152255), we get a palindrome (675674476576).

The spelling of 552251324321 in words is "five hundred fifty-two billion, two hundred fifty-one million, three hundred twenty-four thousand, three hundred twenty-one".