552138329 has 2 divisors, whose sum is σ = 552138330. Its totient is φ = 552138328.

The previous prime is 552138319. The next prime is 552138331. The reversal of 552138329 is 923831255.

552138329 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 433763929 + 118374400 = 20827^2 + 10880^2 .

It is a cyclic number.

It is not a de Polignac number, because 552138329 - 2⁸ = 552138073 is a prime.

It is a Sophie Germain prime.

Together with 552138331, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 552138292 and 552138301.

It is not a weakly prime, because it can be changed into another prime (552138319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276069164 + 276069165.

It is an arithmetic number, because the mean of its divisors is an integer number (276069165).

Almost surely, 2^552138329 is an apocalyptic number.

It is an amenable number.

552138329 is a deficient number, since it is larger than the sum of its proper divisors (1).

552138329 is an equidigital number, since it uses as much as digits as its factorization.

552138329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64800, while the sum is 38.

The square root of 552138329 is about 23497.6239011522. The cubic root of 552138329 is about 820.3817026225.

The spelling of 552138329 in words is "five hundred fifty-two million, one hundred thirty-eight thousand, three hundred twenty-nine".